Home / 5,146,577.90-7,102,140.45-2,971,047.50

Finding the Fourth Proportional to 5,146,577.90, 7,102,140.45 and 2,971,047.50

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Solution

The fourth proportional to 5,146,577.90, 7,102,140.45 and 2,971,047.50 is: 4,099,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,577.90 : 7,102,140.45 = 2,971,047.50 : x
  2. Step 2: Convert to fraction form
    5,146,577.90/7,102,140.45 = 2,971,047.50/x
  3. Step 3: Cross multiply
    5,146,577.90x = 7,102,140.45 × 2,971,047.50
  4. Step 4: Simplify right side
    5,146,577.90x = 21,100,796,628,621.38
  5. Step 5: Solve for x
    x = 21,100,796,628,621.38/5,146,577.90
  6. Step 6: Final answer
    x = 4,099,966.43

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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.