Home / 1,572,000.10-2,358,000.15-1,397,817.70

Finding the Fourth Proportional to 1,572,000.10, 2,358,000.15 and 1,397,817.70

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Solution

The fourth proportional to 1,572,000.10, 2,358,000.15 and 1,397,817.70 is: 2,096,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,000.10 : 2,358,000.15 = 1,397,817.70 : x
  2. Step 2: Convert to fraction form
    1,572,000.10/2,358,000.15 = 1,397,817.70/x
  3. Step 3: Cross multiply
    1,572,000.10x = 2,358,000.15 × 1,397,817.70
  4. Step 4: Simplify right side
    1,572,000.10x = 3,296,054,346,272.66
  5. Step 5: Solve for x
    x = 3,296,054,346,272.66/1,572,000.10
  6. Step 6: Final answer
    x = 2,096,726.55

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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.