Home / 6,288,322.40-8,677,921.33-3,534,985.72

Finding the Fourth Proportional to 6,288,322.40, 8,677,921.33 and 3,534,985.72

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Solution

The fourth proportional to 6,288,322.40, 8,677,921.33 and 3,534,985.72 is: 4,878,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,322.40 : 8,677,921.33 = 3,534,985.72 : x
  2. Step 2: Convert to fraction form
    6,288,322.40/8,677,921.33 = 3,534,985.72/x
  3. Step 3: Cross multiply
    6,288,322.40x = 8,677,921.33 × 3,534,985.72
  4. Step 4: Simplify right side
    6,288,322.40x = 30,676,327,937,443.80
  5. Step 5: Solve for x
    x = 30,676,327,937,443.80/6,288,322.40
  6. Step 6: Final answer
    x = 4,878,300.76

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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.