Home / 2,655,154.40-3,984,805.20-1,235,386.40

Finding the Fourth Proportional to 2,655,154.40, 3,984,805.20 and 1,235,386.40

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Solution

The fourth proportional to 2,655,154.40, 3,984,805.20 and 1,235,386.40 is: 1,854,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,154.40 : 3,984,805.20 = 1,235,386.40 : x
  2. Step 2: Convert to fraction form
    2,655,154.40/3,984,805.20 = 1,235,386.40/x
  3. Step 3: Cross multiply
    2,655,154.40x = 3,984,805.20 × 1,235,386.40
  4. Step 4: Simplify right side
    2,655,154.40x = 4,922,774,150,729.28
  5. Step 5: Solve for x
    x = 4,922,774,150,729.28/2,655,154.40
  6. Step 6: Final answer
    x = 1,854,044.40

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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.