Home / 1,536,148.90-2,119,379.60-992,604.88

Finding the Fourth Proportional to 1,536,148.90, 2,119,379.60 and 992,604.88

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Solution

The fourth proportional to 1,536,148.90, 2,119,379.60 and 992,604.88 is: 1,369,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,148.90 : 2,119,379.60 = 992,604.88 : x
  2. Step 2: Convert to fraction form
    1,536,148.90/2,119,379.60 = 992,604.88/x
  3. Step 3: Cross multiply
    1,536,148.90x = 2,119,379.60 × 992,604.88
  4. Step 4: Simplify right side
    1,536,148.90x = 2,103,706,533,532.45
  5. Step 5: Solve for x
    x = 2,103,706,533,532.45/1,536,148.90
  6. Step 6: Final answer
    x = 1,369,467.85

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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.