Home / 2,610,840.15-3,915,595.75-813,388.59

Finding the Fourth Proportional to 2,610,840.15, 3,915,595.75 and 813,388.59

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Solution

The fourth proportional to 2,610,840.15, 3,915,595.75 and 813,388.59 is: 1,219,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,840.15 : 3,915,595.75 = 813,388.59 : x
  2. Step 2: Convert to fraction form
    2,610,840.15/3,915,595.75 = 813,388.59/x
  3. Step 3: Cross multiply
    2,610,840.15x = 3,915,595.75 × 813,388.59
  4. Step 4: Simplify right side
    2,610,840.15x = 3,184,900,906,102.49
  5. Step 5: Solve for x
    x = 3,184,900,906,102.49/2,610,840.15
  6. Step 6: Final answer
    x = 1,219,875.87

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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.