Home / 1,585,507.16-2,187,084.84-1,011,900.80

Finding the Fourth Proportional to 1,585,507.16, 2,187,084.84 and 1,011,900.80

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Solution

The fourth proportional to 1,585,507.16, 2,187,084.84 and 1,011,900.80 is: 1,395,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,507.16 : 2,187,084.84 = 1,011,900.80 : x
  2. Step 2: Convert to fraction form
    1,585,507.16/2,187,084.84 = 1,011,900.80/x
  3. Step 3: Cross multiply
    1,585,507.16x = 2,187,084.84 × 1,011,900.80
  4. Step 4: Simplify right side
    1,585,507.16x = 2,213,112,899,263.87
  5. Step 5: Solve for x
    x = 2,213,112,899,263.87/1,585,507.16
  6. Step 6: Final answer
    x = 1,395,839.11

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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.