Home / 2,880,995.85-4,321,712.48-859,081.55

Finding the Fourth Proportional to 2,880,995.85, 4,321,712.48 and 859,081.55

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Solution

The fourth proportional to 2,880,995.85, 4,321,712.48 and 859,081.55 is: 1,288,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,995.85 : 4,321,712.48 = 859,081.55 : x
  2. Step 2: Convert to fraction form
    2,880,995.85/4,321,712.48 = 859,081.55/x
  3. Step 3: Cross multiply
    2,880,995.85x = 4,321,712.48 × 859,081.55
  4. Step 4: Simplify right side
    2,880,995.85x = 3,712,703,430,068.77
  5. Step 5: Solve for x
    x = 3,712,703,430,068.77/2,880,995.85
  6. Step 6: Final answer
    x = 1,288,687.53

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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.