Home / 2,983,920.66-4,475,876.94-1,385,609.76

Finding the Fourth Proportional to 2,983,920.66, 4,475,876.94 and 1,385,609.76

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Solution

The fourth proportional to 2,983,920.66, 4,475,876.94 and 1,385,609.76 is: 2,078,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,920.66 : 4,475,876.94 = 1,385,609.76 : x
  2. Step 2: Convert to fraction form
    2,983,920.66/4,475,876.94 = 1,385,609.76/x
  3. Step 3: Cross multiply
    2,983,920.66x = 4,475,876.94 × 1,385,609.76
  4. Step 4: Simplify right side
    2,983,920.66x = 6,201,818,772,622.94
  5. Step 5: Solve for x
    x = 6,201,818,772,622.94/2,983,920.66
  6. Step 6: Final answer
    x = 2,078,412.76

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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.