Home / 5,390,774.88-7,439,212.83-2,943,378.30

Finding the Fourth Proportional to 5,390,774.88, 7,439,212.83 and 2,943,378.30

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Solution

The fourth proportional to 5,390,774.88, 7,439,212.83 and 2,943,378.30 is: 4,061,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,774.88 : 7,439,212.83 = 2,943,378.30 : x
  2. Step 2: Convert to fraction form
    5,390,774.88/7,439,212.83 = 2,943,378.30/x
  3. Step 3: Cross multiply
    5,390,774.88x = 7,439,212.83 × 2,943,378.30
  4. Step 4: Simplify right side
    5,390,774.88x = 21,896,417,612,903.59
  5. Step 5: Solve for x
    x = 21,896,417,612,903.59/5,390,774.88
  6. Step 6: Final answer
    x = 4,061,831.20

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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.