Home / 2,709,789.96-4,064,686.68-688,185.48

Finding the Fourth Proportional to 2,709,789.96, 4,064,686.68 and 688,185.48

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Solution

The fourth proportional to 2,709,789.96, 4,064,686.68 and 688,185.48 is: 1,032,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,789.96 : 4,064,686.68 = 688,185.48 : x
  2. Step 2: Convert to fraction form
    2,709,789.96/4,064,686.68 = 688,185.48/x
  3. Step 3: Cross multiply
    2,709,789.96x = 4,064,686.68 × 688,185.48
  4. Step 4: Simplify right side
    2,709,789.96x = 2,797,258,353,925.41
  5. Step 5: Solve for x
    x = 2,797,258,353,925.41/2,709,789.96
  6. Step 6: Final answer
    x = 1,032,278.66

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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.