Home / 4,720,165.39-7,078,296.12-1,480,622.50

Finding the Fourth Proportional to 4,720,165.39, 7,078,296.12 and 1,480,622.50

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Solution

The fourth proportional to 4,720,165.39, 7,078,296.12 and 1,480,622.50 is: 2,220,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,165.39 : 7,078,296.12 = 1,480,622.50 : x
  2. Step 2: Convert to fraction form
    4,720,165.39/7,078,296.12 = 1,480,622.50/x
  3. Step 3: Cross multiply
    4,720,165.39x = 7,078,296.12 × 1,480,622.50
  4. Step 4: Simplify right side
    4,720,165.39x = 10,480,284,496,934.70
  5. Step 5: Solve for x
    x = 10,480,284,496,934.70/4,720,165.39
  6. Step 6: Final answer
    x = 2,220,321.46

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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.