Home / 1,912,904.02-2,866,206.84-1,336,585.78

Finding the Fourth Proportional to 1,912,904.02, 2,866,206.84 and 1,336,585.78

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Solution

The fourth proportional to 1,912,904.02, 2,866,206.84 and 1,336,585.78 is: 2,002,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,904.02 : 2,866,206.84 = 1,336,585.78 : x
  2. Step 2: Convert to fraction form
    1,912,904.02/2,866,206.84 = 1,336,585.78/x
  3. Step 3: Cross multiply
    1,912,904.02x = 2,866,206.84 × 1,336,585.78
  4. Step 4: Simplify right side
    1,912,904.02x = 3,830,931,304,882.74
  5. Step 5: Solve for x
    x = 3,830,931,304,882.74/1,912,904.02
  6. Step 6: Final answer
    x = 2,002,678.27

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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.