Home / 3,221,417.72-4,832,155.74-977,555.72

Finding the Fourth Proportional to 3,221,417.72, 4,832,155.74 and 977,555.72

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Solution

The fourth proportional to 3,221,417.72, 4,832,155.74 and 977,555.72 is: 1,466,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,417.72 : 4,832,155.74 = 977,555.72 : x
  2. Step 2: Convert to fraction form
    3,221,417.72/4,832,155.74 = 977,555.72/x
  3. Step 3: Cross multiply
    3,221,417.72x = 4,832,155.74 × 977,555.72
  4. Step 4: Simplify right side
    3,221,417.72x = 4,723,701,475,694.72
  5. Step 5: Solve for x
    x = 4,723,701,475,694.72/3,221,417.72
  6. Step 6: Final answer
    x = 1,466,342.43

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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.