Home / 5,427,812.75-7,490,040.95-2,980,406.66

Finding the Fourth Proportional to 5,427,812.75, 7,490,040.95 and 2,980,406.66

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Solution

The fourth proportional to 5,427,812.75, 7,490,040.95 and 2,980,406.66 is: 4,112,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,812.75 : 7,490,040.95 = 2,980,406.66 : x
  2. Step 2: Convert to fraction form
    5,427,812.75/7,490,040.95 = 2,980,406.66/x
  3. Step 3: Cross multiply
    5,427,812.75x = 7,490,040.95 × 2,980,406.66
  4. Step 4: Simplify right side
    5,427,812.75x = 22,323,367,878,700.49
  5. Step 5: Solve for x
    x = 22,323,367,878,700.49/5,427,812.75
  6. Step 6: Final answer
    x = 4,112,774.14

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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.