Home / 2,319,332.70-3,478,999.05-1,372,215.90

Finding the Fourth Proportional to 2,319,332.70, 3,478,999.05 and 1,372,215.90

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Solution

The fourth proportional to 2,319,332.70, 3,478,999.05 and 1,372,215.90 is: 2,058,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,332.70 : 3,478,999.05 = 1,372,215.90 : x
  2. Step 2: Convert to fraction form
    2,319,332.70/3,478,999.05 = 1,372,215.90/x
  3. Step 3: Cross multiply
    2,319,332.70x = 3,478,999.05 × 1,372,215.90
  4. Step 4: Simplify right side
    2,319,332.70x = 4,773,937,812,494.89
  5. Step 5: Solve for x
    x = 4,773,937,812,494.89/2,319,332.70
  6. Step 6: Final answer
    x = 2,058,323.85

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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.