Home / 6,319,208.12-8,720,487.95-3,418,598.32

Finding the Fourth Proportional to 6,319,208.12, 8,720,487.95 and 3,418,598.32

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Solution

The fourth proportional to 6,319,208.12, 8,720,487.95 and 3,418,598.32 is: 4,717,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319,208.12 : 8,720,487.95 = 3,418,598.32 : x
  2. Step 2: Convert to fraction form
    6,319,208.12/8,720,487.95 = 3,418,598.32/x
  3. Step 3: Cross multiply
    6,319,208.12x = 8,720,487.95 × 3,418,598.32
  4. Step 4: Simplify right side
    6,319,208.12x = 29,811,845,416,556.03
  5. Step 5: Solve for x
    x = 29,811,845,416,556.03/6,319,208.12
  6. Step 6: Final answer
    x = 4,717,655.26

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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.