Home / 1,572,206.10-2,358,309.15-1,398,023.70

Finding the Fourth Proportional to 1,572,206.10, 2,358,309.15 and 1,398,023.70

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Solution

The fourth proportional to 1,572,206.10, 2,358,309.15 and 1,398,023.70 is: 2,097,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,206.10 : 2,358,309.15 = 1,398,023.70 : x
  2. Step 2: Convert to fraction form
    1,572,206.10/2,358,309.15 = 1,398,023.70/x
  3. Step 3: Cross multiply
    1,572,206.10x = 2,358,309.15 × 1,398,023.70
  4. Step 4: Simplify right side
    1,572,206.10x = 3,296,972,083,626.86
  5. Step 5: Solve for x
    x = 3,296,972,083,626.86/1,572,206.10
  6. Step 6: Final answer
    x = 2,097,035.55

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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.