Home / 5,119,661.61-7,064,531.08-2,827,685.61

Finding the Fourth Proportional to 5,119,661.61, 7,064,531.08 and 2,827,685.61

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Solution

The fourth proportional to 5,119,661.61, 7,064,531.08 and 2,827,685.61 is: 3,901,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,661.61 : 7,064,531.08 = 2,827,685.61 : x
  2. Step 2: Convert to fraction form
    5,119,661.61/7,064,531.08 = 2,827,685.61/x
  3. Step 3: Cross multiply
    5,119,661.61x = 7,064,531.08 × 2,827,685.61
  4. Step 4: Simplify right side
    5,119,661.61x = 19,976,272,876,313.76
  5. Step 5: Solve for x
    x = 19,976,272,876,313.76/5,119,661.61
  6. Step 6: Final answer
    x = 3,901,873.68

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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.