Home / 3,459,642.48-4,774,278.12-1,889,775.61

Finding the Fourth Proportional to 3,459,642.48, 4,774,278.12 and 1,889,775.61

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Solution

The fourth proportional to 3,459,642.48, 4,774,278.12 and 1,889,775.61 is: 2,607,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,642.48 : 4,774,278.12 = 1,889,775.61 : x
  2. Step 2: Convert to fraction form
    3,459,642.48/4,774,278.12 = 1,889,775.61/x
  3. Step 3: Cross multiply
    3,459,642.48x = 4,774,278.12 × 1,889,775.61
  4. Step 4: Simplify right side
    3,459,642.48x = 9,022,314,337,083.78
  5. Step 5: Solve for x
    x = 9,022,314,337,083.78/3,459,642.48
  6. Step 6: Final answer
    x = 2,607,874.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.