Home / 5,399,981.60-8,100,068.40-1,613,511.20

Finding the Fourth Proportional to 5,399,981.60, 8,100,068.40 and 1,613,511.20

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Solution

The fourth proportional to 5,399,981.60, 8,100,068.40 and 1,613,511.20 is: 2,420,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399,981.60 : 8,100,068.40 = 1,613,511.20 : x
  2. Step 2: Convert to fraction form
    5,399,981.60/8,100,068.40 = 1,613,511.20/x
  3. Step 3: Cross multiply
    5,399,981.60x = 8,100,068.40 × 1,613,511.20
  4. Step 4: Simplify right side
    5,399,981.60x = 13,069,551,084,166.08
  5. Step 5: Solve for x
    x = 13,069,551,084,166.08/5,399,981.60
  6. Step 6: Final answer
    x = 2,420,295.48

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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.