Home / 1,715,486.88-2,574,068.67-1,213,275.15

Finding the Fourth Proportional to 1,715,486.88, 2,574,068.67 and 1,213,275.15

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Solution

The fourth proportional to 1,715,486.88, 2,574,068.67 and 1,213,275.15 is: 1,820,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,486.88 : 2,574,068.67 = 1,213,275.15 : x
  2. Step 2: Convert to fraction form
    1,715,486.88/2,574,068.67 = 1,213,275.15/x
  3. Step 3: Cross multiply
    1,715,486.88x = 2,574,068.67 × 1,213,275.15
  4. Step 4: Simplify right side
    1,715,486.88x = 3,123,053,551,704.55
  5. Step 5: Solve for x
    x = 3,123,053,551,704.55/1,715,486.88
  6. Step 6: Final answer
    x = 1,820,505.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.