Home / 2,920,007.68-4,029,212.40-1,630,683.68

Finding the Fourth Proportional to 2,920,007.68, 4,029,212.40 and 1,630,683.68

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Solution

The fourth proportional to 2,920,007.68, 4,029,212.40 and 1,630,683.68 is: 2,250,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,007.68 : 4,029,212.40 = 1,630,683.68 : x
  2. Step 2: Convert to fraction form
    2,920,007.68/4,029,212.40 = 1,630,683.68/x
  3. Step 3: Cross multiply
    2,920,007.68x = 4,029,212.40 × 1,630,683.68
  4. Step 4: Simplify right side
    2,920,007.68x = 6,570,370,903,933.63
  5. Step 5: Solve for x
    x = 6,570,370,903,933.63/2,920,007.68
  6. Step 6: Final answer
    x = 2,250,121.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.