Home / 1,591,151.40-2,382,928.14-915,813.18

Finding the Fourth Proportional to 1,591,151.40, 2,382,928.14 and 915,813.18

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Solution

The fourth proportional to 1,591,151.40, 2,382,928.14 and 915,813.18 is: 1,371,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,151.40 : 2,382,928.14 = 915,813.18 : x
  2. Step 2: Convert to fraction form
    1,591,151.40/2,382,928.14 = 915,813.18/x
  3. Step 3: Cross multiply
    1,591,151.40x = 2,382,928.14 × 915,813.18
  4. Step 4: Simplify right side
    1,591,151.40x = 2,182,316,997,604.89
  5. Step 5: Solve for x
    x = 2,182,316,997,604.89/1,591,151.40
  6. Step 6: Final answer
    x = 1,371,533.22

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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.