Home / 5,319,211.10-7,979,937.60-1,724,697.80

Finding the Fourth Proportional to 5,319,211.10, 7,979,937.60 and 1,724,697.80

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Solution

The fourth proportional to 5,319,211.10, 7,979,937.60 and 1,724,697.80 is: 2,587,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,211.10 : 7,979,937.60 = 1,724,697.80 : x
  2. Step 2: Convert to fraction form
    5,319,211.10/7,979,937.60 = 1,724,697.80/x
  3. Step 3: Cross multiply
    5,319,211.10x = 7,979,937.60 × 1,724,697.80
  4. Step 4: Simplify right side
    5,319,211.10x = 13,762,980,822,857.28
  5. Step 5: Solve for x
    x = 13,762,980,822,857.28/5,319,211.10
  6. Step 6: Final answer
    x = 2,587,410.16

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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.