Home / 2,842,017.20-4,262,831.40-922,900.40

Finding the Fourth Proportional to 2,842,017.20, 4,262,831.40 and 922,900.40

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Solution

The fourth proportional to 2,842,017.20, 4,262,831.40 and 922,900.40 is: 1,384,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,017.20 : 4,262,831.40 = 922,900.40 : x
  2. Step 2: Convert to fraction form
    2,842,017.20/4,262,831.40 = 922,900.40/x
  3. Step 3: Cross multiply
    2,842,017.20x = 4,262,831.40 × 922,900.40
  4. Step 4: Simplify right side
    2,842,017.20x = 3,934,168,804,192.56
  5. Step 5: Solve for x
    x = 3,934,168,804,192.56/2,842,017.20
  6. Step 6: Final answer
    x = 1,384,287.47

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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.