Home / 4,974,805.60-7,465,894.80-1,985,135.20

Finding the Fourth Proportional to 4,974,805.60, 7,465,894.80 and 1,985,135.20

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Solution

The fourth proportional to 4,974,805.60, 7,465,894.80 and 1,985,135.20 is: 2,979,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974,805.60 : 7,465,894.80 = 1,985,135.20 : x
  2. Step 2: Convert to fraction form
    4,974,805.60/7,465,894.80 = 1,985,135.20/x
  3. Step 3: Cross multiply
    4,974,805.60x = 7,465,894.80 × 1,985,135.20
  4. Step 4: Simplify right side
    4,974,805.60x = 14,820,810,566,976.96
  5. Step 5: Solve for x
    x = 14,820,810,566,976.96/4,974,805.60
  6. Step 6: Final answer
    x = 2,979,173.81

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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.