Home / 3,532,371.66-4,875,432.63-2,155,420.40

Finding the Fourth Proportional to 3,532,371.66, 4,875,432.63 and 2,155,420.40

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Solution

The fourth proportional to 3,532,371.66, 4,875,432.63 and 2,155,420.40 is: 2,974,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,371.66 : 4,875,432.63 = 2,155,420.40 : x
  2. Step 2: Convert to fraction form
    3,532,371.66/4,875,432.63 = 2,155,420.40/x
  3. Step 3: Cross multiply
    3,532,371.66x = 4,875,432.63 × 2,155,420.40
  4. Step 4: Simplify right side
    3,532,371.66x = 10,508,606,958,204.12
  5. Step 5: Solve for x
    x = 10,508,606,958,204.12/3,532,371.66
  6. Step 6: Final answer
    x = 2,974,943.74

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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.