Home / 2,938,140.20-4,407,210.30-1,676,095.40

Finding the Fourth Proportional to 2,938,140.20, 4,407,210.30 and 1,676,095.40

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Solution

The fourth proportional to 2,938,140.20, 4,407,210.30 and 1,676,095.40 is: 2,514,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,140.20 : 4,407,210.30 = 1,676,095.40 : x
  2. Step 2: Convert to fraction form
    2,938,140.20/4,407,210.30 = 1,676,095.40/x
  3. Step 3: Cross multiply
    2,938,140.20x = 4,407,210.30 × 1,676,095.40
  4. Step 4: Simplify right side
    2,938,140.20x = 7,386,904,910,662.62
  5. Step 5: Solve for x
    x = 7,386,904,910,662.62/2,938,140.20
  6. Step 6: Final answer
    x = 2,514,143.10

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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.