Home / 1,585,506.66-2,187,084.15-1,011,900.30

Finding the Fourth Proportional to 1,585,506.66, 2,187,084.15 and 1,011,900.30

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Solution

The fourth proportional to 1,585,506.66, 2,187,084.15 and 1,011,900.30 is: 1,395,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,506.66 : 2,187,084.15 = 1,011,900.30 : x
  2. Step 2: Convert to fraction form
    1,585,506.66/2,187,084.15 = 1,011,900.30/x
  3. Step 3: Cross multiply
    1,585,506.66x = 2,187,084.15 × 1,011,900.30
  4. Step 4: Simplify right side
    1,585,506.66x = 2,213,111,107,510.25
  5. Step 5: Solve for x
    x = 2,213,111,107,510.25/1,585,506.66
  6. Step 6: Final answer
    x = 1,395,838.42

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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.