Home / 2,918,925.77-4,378,404.28-1,914,408.80

Finding the Fourth Proportional to 2,918,925.77, 4,378,404.28 and 1,914,408.80

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Solution

The fourth proportional to 2,918,925.77, 4,378,404.28 and 1,914,408.80 is: 2,871,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,925.77 : 4,378,404.28 = 1,914,408.80 : x
  2. Step 2: Convert to fraction form
    2,918,925.77/4,378,404.28 = 1,914,408.80/x
  3. Step 3: Cross multiply
    2,918,925.77x = 4,378,404.28 × 1,914,408.80
  4. Step 4: Simplify right side
    2,918,925.77x = 8,382,055,683,589.67
  5. Step 5: Solve for x
    x = 8,382,055,683,589.67/2,918,925.77
  6. Step 6: Final answer
    x = 2,871,623.45

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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.