Home / 5,158,543.41-7,111,287.21-3,604,981.77

Finding the Fourth Proportional to 5,158,543.41, 7,111,287.21 and 3,604,981.77

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Solution

The fourth proportional to 5,158,543.41, 7,111,287.21 and 3,604,981.77 is: 4,969,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,543.41 : 7,111,287.21 = 3,604,981.77 : x
  2. Step 2: Convert to fraction form
    5,158,543.41/7,111,287.21 = 3,604,981.77/x
  3. Step 3: Cross multiply
    5,158,543.41x = 7,111,287.21 × 3,604,981.77
  4. Step 4: Simplify right side
    5,158,543.41x = 25,636,060,753,284.16
  5. Step 5: Solve for x
    x = 25,636,060,753,284.16/5,158,543.41
  6. Step 6: Final answer
    x = 4,969,631.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.