Home / 1,820,188.40-2,732,032.20-922,643.60

Finding the Fourth Proportional to 1,820,188.40, 2,732,032.20 and 922,643.60

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Solution

The fourth proportional to 1,820,188.40, 2,732,032.20 and 922,643.60 is: 1,384,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,188.40 : 2,732,032.20 = 922,643.60 : x
  2. Step 2: Convert to fraction form
    1,820,188.40/2,732,032.20 = 922,643.60/x
  3. Step 3: Cross multiply
    1,820,188.40x = 2,732,032.20 × 922,643.60
  4. Step 4: Simplify right side
    1,820,188.40x = 2,520,692,024,323.92
  5. Step 5: Solve for x
    x = 2,520,692,024,323.92/1,820,188.40
  6. Step 6: Final answer
    x = 1,384,852.26

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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.