Home / 5,126,623.80-7,690,626.90-1,761,862.20

Finding the Fourth Proportional to 5,126,623.80, 7,690,626.90 and 1,761,862.20

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Solution

The fourth proportional to 5,126,623.80, 7,690,626.90 and 1,761,862.20 is: 2,643,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,623.80 : 7,690,626.90 = 1,761,862.20 : x
  2. Step 2: Convert to fraction form
    5,126,623.80/7,690,626.90 = 1,761,862.20/x
  3. Step 3: Cross multiply
    5,126,623.80x = 7,690,626.90 × 1,761,862.20
  4. Step 4: Simplify right side
    5,126,623.80x = 13,549,824,829,413.18
  5. Step 5: Solve for x
    x = 13,549,824,829,413.18/5,126,623.80
  6. Step 6: Final answer
    x = 2,643,030.84

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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.