Home / 3,447,776.71-4,757,931.61-1,998,312.90

Finding the Fourth Proportional to 3,447,776.71, 4,757,931.61 and 1,998,312.90

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Solution

The fourth proportional to 3,447,776.71, 4,757,931.61 and 1,998,312.90 is: 2,757,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,776.71 : 4,757,931.61 = 1,998,312.90 : x
  2. Step 2: Convert to fraction form
    3,447,776.71/4,757,931.61 = 1,998,312.90/x
  3. Step 3: Cross multiply
    3,447,776.71x = 4,757,931.61 × 1,998,312.90
  4. Step 4: Simplify right side
    3,447,776.71x = 9,507,836,113,580.77
  5. Step 5: Solve for x
    x = 9,507,836,113,580.77/3,447,776.71
  6. Step 6: Final answer
    x = 2,757,671.66

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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.