Home / 3,308,663.20-4,962,994.80-912,877.60

Finding the Fourth Proportional to 3,308,663.20, 4,962,994.80 and 912,877.60

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Solution

The fourth proportional to 3,308,663.20, 4,962,994.80 and 912,877.60 is: 1,369,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,663.20 : 4,962,994.80 = 912,877.60 : x
  2. Step 2: Convert to fraction form
    3,308,663.20/4,962,994.80 = 912,877.60/x
  3. Step 3: Cross multiply
    3,308,663.20x = 4,962,994.80 × 912,877.60
  4. Step 4: Simplify right side
    3,308,663.20x = 4,530,606,781,836.48
  5. Step 5: Solve for x
    x = 4,530,606,781,836.48/3,308,663.20
  6. Step 6: Final answer
    x = 1,369,316.40

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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.