Home / 2,711,888.20-3,742,451.65-1,488,307.57

Finding the Fourth Proportional to 2,711,888.20, 3,742,451.65 and 1,488,307.57

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Solution

The fourth proportional to 2,711,888.20, 3,742,451.65 and 1,488,307.57 is: 2,053,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,888.20 : 3,742,451.65 = 1,488,307.57 : x
  2. Step 2: Convert to fraction form
    2,711,888.20/3,742,451.65 = 1,488,307.57/x
  3. Step 3: Cross multiply
    2,711,888.20x = 3,742,451.65 × 1,488,307.57
  4. Step 4: Simplify right side
    2,711,888.20x = 5,569,919,121,053.99
  5. Step 5: Solve for x
    x = 5,569,919,121,053.99/2,711,888.20
  6. Step 6: Final answer
    x = 2,053,889.66

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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.