Home / 5,430,070.40-8,146,027.20-1,643,523.20

Finding the Fourth Proportional to 5,430,070.40, 8,146,027.20 and 1,643,523.20

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Solution

The fourth proportional to 5,430,070.40, 8,146,027.20 and 1,643,523.20 is: 2,465,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,070.40 : 8,146,027.20 = 1,643,523.20 : x
  2. Step 2: Convert to fraction form
    5,430,070.40/8,146,027.20 = 1,643,523.20/x
  3. Step 3: Cross multiply
    5,430,070.40x = 8,146,027.20 × 1,643,523.20
  4. Step 4: Simplify right side
    5,430,070.40x = 13,388,184,691,031.04
  5. Step 5: Solve for x
    x = 13,388,184,691,031.04/5,430,070.40
  6. Step 6: Final answer
    x = 2,465,563.74

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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.