Home / 2,159,154.40-3,238,731.60-663,246.40

Finding the Fourth Proportional to 2,159,154.40, 3,238,731.60 and 663,246.40

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Solution

The fourth proportional to 2,159,154.40, 3,238,731.60 and 663,246.40 is: 994,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,154.40 : 3,238,731.60 = 663,246.40 : x
  2. Step 2: Convert to fraction form
    2,159,154.40/3,238,731.60 = 663,246.40/x
  3. Step 3: Cross multiply
    2,159,154.40x = 3,238,731.60 × 663,246.40
  4. Step 4: Simplify right side
    2,159,154.40x = 2,148,077,074,266.24
  5. Step 5: Solve for x
    x = 2,148,077,074,266.24/2,159,154.40
  6. Step 6: Final answer
    x = 994,869.60

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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.