Home / 3,437,787.62-4,743,869.20-1,987,576.53

Finding the Fourth Proportional to 3,437,787.62, 4,743,869.20 and 1,987,576.53

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Solution

The fourth proportional to 3,437,787.62, 4,743,869.20 and 1,987,576.53 is: 2,742,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,787.62 : 4,743,869.20 = 1,987,576.53 : x
  2. Step 2: Convert to fraction form
    3,437,787.62/4,743,869.20 = 1,987,576.53/x
  3. Step 3: Cross multiply
    3,437,787.62x = 4,743,869.20 × 1,987,576.53
  4. Step 4: Simplify right side
    3,437,787.62x = 9,428,803,098,415.81
  5. Step 5: Solve for x
    x = 9,428,803,098,415.81/3,437,787.62
  6. Step 6: Final answer
    x = 2,742,695.05

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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.