Home / 2,912,064.08-4,368,317.25-992,378.66

Finding the Fourth Proportional to 2,912,064.08, 4,368,317.25 and 992,378.66

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Solution

The fourth proportional to 2,912,064.08, 4,368,317.25 and 992,378.66 is: 1,488,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,064.08 : 4,368,317.25 = 992,378.66 : x
  2. Step 2: Convert to fraction form
    2,912,064.08/4,368,317.25 = 992,378.66/x
  3. Step 3: Cross multiply
    2,912,064.08x = 4,368,317.25 × 992,378.66
  4. Step 4: Simplify right side
    2,912,064.08x = 4,335,024,819,009.89
  5. Step 5: Solve for x
    x = 4,335,024,819,009.89/2,912,064.08
  6. Step 6: Final answer
    x = 1,488,643.35

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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.