Home / 5,420,026.30-8,130,783.02-3,146,617.93

Finding the Fourth Proportional to 5,420,026.30, 8,130,783.02 and 3,146,617.93

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Solution

The fourth proportional to 5,420,026.30, 8,130,783.02 and 3,146,617.93 is: 4,720,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,026.30 : 8,130,783.02 = 3,146,617.93 : x
  2. Step 2: Convert to fraction form
    5,420,026.30/8,130,783.02 = 3,146,617.93/x
  3. Step 3: Cross multiply
    5,420,026.30x = 8,130,783.02 × 3,146,617.93
  4. Step 4: Simplify right side
    5,420,026.30x = 25,584,467,595,017.63
  5. Step 5: Solve for x
    x = 25,584,467,595,017.63/5,420,026.30
  6. Step 6: Final answer
    x = 4,720,358.57

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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.