Home / 2,929,869.40-4,396,116.30-1,331,609.80

Finding the Fourth Proportional to 2,929,869.40, 4,396,116.30 and 1,331,609.80

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Solution

The fourth proportional to 2,929,869.40, 4,396,116.30 and 1,331,609.80 is: 1,998,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,869.40 : 4,396,116.30 = 1,331,609.80 : x
  2. Step 2: Convert to fraction form
    2,929,869.40/4,396,116.30 = 1,331,609.80/x
  3. Step 3: Cross multiply
    2,929,869.40x = 4,396,116.30 × 1,331,609.80
  4. Step 4: Simplify right side
    2,929,869.40x = 5,853,911,547,019.74
  5. Step 5: Solve for x
    x = 5,853,911,547,019.74/2,929,869.40
  6. Step 6: Final answer
    x = 1,998,011.09

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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.