Home / 1,820,186.40-2,732,029.20-922,641.60

Finding the Fourth Proportional to 1,820,186.40, 2,732,029.20 and 922,641.60

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Solution

The fourth proportional to 1,820,186.40, 2,732,029.20 and 922,641.60 is: 1,384,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,186.40 : 2,732,029.20 = 922,641.60 : x
  2. Step 2: Convert to fraction form
    1,820,186.40/2,732,029.20 = 922,641.60/x
  3. Step 3: Cross multiply
    1,820,186.40x = 2,732,029.20 × 922,641.60
  4. Step 4: Simplify right side
    1,820,186.40x = 2,520,683,792,334.72
  5. Step 5: Solve for x
    x = 2,520,683,792,334.72/1,820,186.40
  6. Step 6: Final answer
    x = 1,384,849.26

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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.