Home / 2,818,533.96-4,227,764.08-688,636.52

Finding the Fourth Proportional to 2,818,533.96, 4,227,764.08 and 688,636.52

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Solution

The fourth proportional to 2,818,533.96, 4,227,764.08 and 688,636.52 is: 1,032,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,533.96 : 4,227,764.08 = 688,636.52 : x
  2. Step 2: Convert to fraction form
    2,818,533.96/4,227,764.08 = 688,636.52/x
  3. Step 3: Cross multiply
    2,818,533.96x = 4,227,764.08 × 688,636.52
  4. Step 4: Simplify right side
    2,818,533.96x = 2,911,392,743,432.20
  5. Step 5: Solve for x
    x = 2,911,392,743,432.20/2,818,533.96
  6. Step 6: Final answer
    x = 1,032,945.77

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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.