Home / 3,117,326.21-4,304,881.07-2,947,495.72

Finding the Fourth Proportional to 3,117,326.21, 4,304,881.07 and 2,947,495.72

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Solution

The fourth proportional to 3,117,326.21, 4,304,881.07 and 2,947,495.72 is: 4,070,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,326.21 : 4,304,881.07 = 2,947,495.72 : x
  2. Step 2: Convert to fraction form
    3,117,326.21/4,304,881.07 = 2,947,495.72/x
  3. Step 3: Cross multiply
    3,117,326.21x = 4,304,881.07 × 2,947,495.72
  4. Step 4: Simplify right side
    3,117,326.21x = 12,688,618,528,934.02
  5. Step 5: Solve for x
    x = 12,688,618,528,934.02/3,117,326.21
  6. Step 6: Final answer
    x = 4,070,353.14

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1.5x scale

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.