Home / 2,877,007.12-3,970,278.24-1,570,271.20

Finding the Fourth Proportional to 2,877,007.12, 3,970,278.24 and 1,570,271.20

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Solution

The fourth proportional to 2,877,007.12, 3,970,278.24 and 1,570,271.20 is: 2,166,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,007.12 : 3,970,278.24 = 1,570,271.20 : x
  2. Step 2: Convert to fraction form
    2,877,007.12/3,970,278.24 = 1,570,271.20/x
  3. Step 3: Cross multiply
    2,877,007.12x = 3,970,278.24 × 1,570,271.20
  4. Step 4: Simplify right side
    2,877,007.12x = 6,234,413,576,258.69
  5. Step 5: Solve for x
    x = 6,234,413,576,258.69/2,877,007.12
  6. Step 6: Final answer
    x = 2,166,978.85

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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.