Home / 3,129,088.50-4,317,648.88-1,822,555.56

Finding the Fourth Proportional to 3,129,088.50, 4,317,648.88 and 1,822,555.56

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Solution

The fourth proportional to 3,129,088.50, 4,317,648.88 and 1,822,555.56 is: 2,514,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,088.50 : 4,317,648.88 = 1,822,555.56 : x
  2. Step 2: Convert to fraction form
    3,129,088.50/4,317,648.88 = 1,822,555.56/x
  3. Step 3: Cross multiply
    3,129,088.50x = 4,317,648.88 × 1,822,555.56
  4. Step 4: Simplify right side
    3,129,088.50x = 7,869,154,972,371.77
  5. Step 5: Solve for x
    x = 7,869,154,972,371.77/3,129,088.50
  6. Step 6: Final answer
    x = 2,514,839.38

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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.