Home / 2,943,987.40-4,415,981.10-922,400.20

Finding the Fourth Proportional to 2,943,987.40, 4,415,981.10 and 922,400.20

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Solution

The fourth proportional to 2,943,987.40, 4,415,981.10 and 922,400.20 is: 1,383,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,987.40 : 4,415,981.10 = 922,400.20 : x
  2. Step 2: Convert to fraction form
    2,943,987.40/4,415,981.10 = 922,400.20/x
  3. Step 3: Cross multiply
    2,943,987.40x = 4,415,981.10 × 922,400.20
  4. Step 4: Simplify right side
    2,943,987.40x = 4,073,301,849,836.22
  5. Step 5: Solve for x
    x = 4,073,301,849,836.22/2,943,987.40
  6. Step 6: Final answer
    x = 1,383,600.30

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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.