Home / 1,585,505.16-2,187,082.08-1,011,898.80

Finding the Fourth Proportional to 1,585,505.16, 2,187,082.08 and 1,011,898.80

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Solution

The fourth proportional to 1,585,505.16, 2,187,082.08 and 1,011,898.80 is: 1,395,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,505.16 : 2,187,082.08 = 1,011,898.80 : x
  2. Step 2: Convert to fraction form
    1,585,505.16/2,187,082.08 = 1,011,898.80/x
  3. Step 3: Cross multiply
    1,585,505.16x = 2,187,082.08 × 1,011,898.80
  4. Step 4: Simplify right side
    1,585,505.16x = 2,213,105,732,253.50
  5. Step 5: Solve for x
    x = 2,213,105,732,253.50/1,585,505.16
  6. Step 6: Final answer
    x = 1,395,836.35

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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.