Home / 6,456,581.77-8,909,423.51-3,975,408.40

Finding the Fourth Proportional to 6,456,581.77, 8,909,423.51 and 3,975,408.40

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Solution

The fourth proportional to 6,456,581.77, 8,909,423.51 and 3,975,408.40 is: 5,485,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,581.77 : 8,909,423.51 = 3,975,408.40 : x
  2. Step 2: Convert to fraction form
    6,456,581.77/8,909,423.51 = 3,975,408.40/x
  3. Step 3: Cross multiply
    6,456,581.77x = 8,909,423.51 × 3,975,408.40
  4. Step 4: Simplify right side
    6,456,581.77x = 35,418,597,060,811.48
  5. Step 5: Solve for x
    x = 35,418,597,060,811.48/6,456,581.77
  6. Step 6: Final answer
    x = 5,485,657.63

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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.