Home / 2,840,298.12-4,260,447.79-710,382.47

Finding the Fourth Proportional to 2,840,298.12, 4,260,447.79 and 710,382.47

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Solution

The fourth proportional to 2,840,298.12, 4,260,447.79 and 710,382.47 is: 1,065,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,298.12 : 4,260,447.79 = 710,382.47 : x
  2. Step 2: Convert to fraction form
    2,840,298.12/4,260,447.79 = 710,382.47/x
  3. Step 3: Cross multiply
    2,840,298.12x = 4,260,447.79 × 710,382.47
  4. Step 4: Simplify right side
    2,840,298.12x = 3,026,547,401,288.05
  5. Step 5: Solve for x
    x = 3,026,547,401,288.05/2,840,298.12
  6. Step 6: Final answer
    x = 1,065,573.85

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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.