Home / 5,140,254.66-7,093,466.34-2,817,129.30

Finding the Fourth Proportional to 5,140,254.66, 7,093,466.34 and 2,817,129.30

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Solution

The fourth proportional to 5,140,254.66, 7,093,466.34 and 2,817,129.30 is: 3,887,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,254.66 : 7,093,466.34 = 2,817,129.30 : x
  2. Step 2: Convert to fraction form
    5,140,254.66/7,093,466.34 = 2,817,129.30/x
  3. Step 3: Cross multiply
    5,140,254.66x = 7,093,466.34 × 2,817,129.30
  4. Step 4: Simplify right side
    5,140,254.66x = 19,983,211,864,977.76
  5. Step 5: Solve for x
    x = 19,983,211,864,977.76/5,140,254.66
  6. Step 6: Final answer
    x = 3,887,591.80

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1.5x scale

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.