Home / 5,480,459.80-8,220,689.70-2,488,643.80

Finding the Fourth Proportional to 5,480,459.80, 8,220,689.70 and 2,488,643.80

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Solution

The fourth proportional to 5,480,459.80, 8,220,689.70 and 2,488,643.80 is: 3,732,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,459.80 : 8,220,689.70 = 2,488,643.80 : x
  2. Step 2: Convert to fraction form
    5,480,459.80/8,220,689.70 = 2,488,643.80/x
  3. Step 3: Cross multiply
    5,480,459.80x = 8,220,689.70 × 2,488,643.80
  4. Step 4: Simplify right side
    5,480,459.80x = 20,458,368,453,628.86
  5. Step 5: Solve for x
    x = 20,458,368,453,628.86/5,480,459.80
  6. Step 6: Final answer
    x = 3,732,965.70

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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.