Home / 3,119,774.11-4,304,892.57-1,830,143.95

Finding the Fourth Proportional to 3,119,774.11, 4,304,892.57 and 1,830,143.95

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Solution

The fourth proportional to 3,119,774.11, 4,304,892.57 and 1,830,143.95 is: 2,525,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,774.11 : 4,304,892.57 = 1,830,143.95 : x
  2. Step 2: Convert to fraction form
    3,119,774.11/4,304,892.57 = 1,830,143.95/x
  3. Step 3: Cross multiply
    3,119,774.11x = 4,304,892.57 × 1,830,143.95
  4. Step 4: Simplify right side
    3,119,774.11x = 7,878,573,070,860.99
  5. Step 5: Solve for x
    x = 7,878,573,070,860.99/3,119,774.11
  6. Step 6: Final answer
    x = 2,525,366.52

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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.