Home / 4,992,085.60-7,488,128.40-1,626,248.80

Finding the Fourth Proportional to 4,992,085.60, 7,488,128.40 and 1,626,248.80

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Solution

The fourth proportional to 4,992,085.60, 7,488,128.40 and 1,626,248.80 is: 2,439,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,085.60 : 7,488,128.40 = 1,626,248.80 : x
  2. Step 2: Convert to fraction form
    4,992,085.60/7,488,128.40 = 1,626,248.80/x
  3. Step 3: Cross multiply
    4,992,085.60x = 7,488,128.40 × 1,626,248.80
  4. Step 4: Simplify right side
    4,992,085.60x = 12,177,559,824,745.92
  5. Step 5: Solve for x
    x = 12,177,559,824,745.92/4,992,085.60
  6. Step 6: Final answer
    x = 2,439,373.20

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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.