Home / 1,630,893.40-2,446,340.10-1,210,989.40

Finding the Fourth Proportional to 1,630,893.40, 2,446,340.10 and 1,210,989.40

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Solution

The fourth proportional to 1,630,893.40, 2,446,340.10 and 1,210,989.40 is: 1,816,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,893.40 : 2,446,340.10 = 1,210,989.40 : x
  2. Step 2: Convert to fraction form
    1,630,893.40/2,446,340.10 = 1,210,989.40/x
  3. Step 3: Cross multiply
    1,630,893.40x = 2,446,340.10 × 1,210,989.40
  4. Step 4: Simplify right side
    1,630,893.40x = 2,962,491,929,894.94
  5. Step 5: Solve for x
    x = 2,962,491,929,894.94/1,630,893.40
  6. Step 6: Final answer
    x = 1,816,484.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.