Home / 3,090,670.40-4,636,005.60-2,145,886.40

Finding the Fourth Proportional to 3,090,670.40, 4,636,005.60 and 2,145,886.40

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Solution

The fourth proportional to 3,090,670.40, 4,636,005.60 and 2,145,886.40 is: 3,218,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,670.40 : 4,636,005.60 = 2,145,886.40 : x
  2. Step 2: Convert to fraction form
    3,090,670.40/4,636,005.60 = 2,145,886.40/x
  3. Step 3: Cross multiply
    3,090,670.40x = 4,636,005.60 × 2,145,886.40
  4. Step 4: Simplify right side
    3,090,670.40x = 9,948,341,367,363.84
  5. Step 5: Solve for x
    x = 9,948,341,367,363.84/3,090,670.40
  6. Step 6: Final answer
    x = 3,218,829.60

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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.