Home / 2,709,905.18-4,064,859.34-688,300.70

Finding the Fourth Proportional to 2,709,905.18, 4,064,859.34 and 688,300.70

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Solution

The fourth proportional to 2,709,905.18, 4,064,859.34 and 688,300.70 is: 1,032,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,905.18 : 4,064,859.34 = 688,300.70 : x
  2. Step 2: Convert to fraction form
    2,709,905.18/4,064,859.34 = 688,300.70/x
  3. Step 3: Cross multiply
    2,709,905.18x = 4,064,859.34 × 688,300.70
  4. Step 4: Simplify right side
    2,709,905.18x = 2,797,845,529,123.54
  5. Step 5: Solve for x
    x = 2,797,845,529,123.54/2,709,905.18
  6. Step 6: Final answer
    x = 1,032,451.45

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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.