Home / 7,310,196.93-10,965,658.28-1,918,862.85

Finding the Fourth Proportional to 7,310,196.93, 10,965,658.28 and 1,918,862.85

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Solution

The fourth proportional to 7,310,196.93, 10,965,658.28 and 1,918,862.85 is: 2,878,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,196.93 : 10,965,658.28 = 1,918,862.85 : x
  2. Step 2: Convert to fraction form
    7,310,196.93/10,965,658.28 = 1,918,862.85/x
  3. Step 3: Cross multiply
    7,310,196.93x = 10,965,658.28 × 1,918,862.85
  4. Step 4: Simplify right side
    7,310,196.93x = 21,041,594,289,692.59
  5. Step 5: Solve for x
    x = 21,041,594,289,692.59/7,310,196.93
  6. Step 6: Final answer
    x = 2,878,389.53

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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.