Home / 2,945,378.74-4,064,646.88-1,656,207.85

Finding the Fourth Proportional to 2,945,378.74, 4,064,646.88 and 1,656,207.85

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Solution

The fourth proportional to 2,945,378.74, 4,064,646.88 and 1,656,207.85 is: 2,285,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,378.74 : 4,064,646.88 = 1,656,207.85 : x
  2. Step 2: Convert to fraction form
    2,945,378.74/4,064,646.88 = 1,656,207.85/x
  3. Step 3: Cross multiply
    2,945,378.74x = 4,064,646.88 × 1,656,207.85
  4. Step 4: Simplify right side
    2,945,378.74x = 6,731,900,070,134.01
  5. Step 5: Solve for x
    x = 6,731,900,070,134.01/2,945,378.74
  6. Step 6: Final answer
    x = 2,285,580.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.