Home / 5,299,411.20-7,949,116.80-1,310,323.20

Finding the Fourth Proportional to 5,299,411.20, 7,949,116.80 and 1,310,323.20

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Solution

The fourth proportional to 5,299,411.20, 7,949,116.80 and 1,310,323.20 is: 1,965,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,411.20 : 7,949,116.80 = 1,310,323.20 : x
  2. Step 2: Convert to fraction form
    5,299,411.20/7,949,116.80 = 1,310,323.20/x
  3. Step 3: Cross multiply
    5,299,411.20x = 7,949,116.80 × 1,310,323.20
  4. Step 4: Simplify right side
    5,299,411.20x = 10,415,912,162,549.76
  5. Step 5: Solve for x
    x = 10,415,912,162,549.76/5,299,411.20
  6. Step 6: Final answer
    x = 1,965,484.80

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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.