Home / 2,938,108.40-4,406,903.40-808,002.80

Finding the Fourth Proportional to 2,938,108.40, 4,406,903.40 and 808,002.80

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Solution

The fourth proportional to 2,938,108.40, 4,406,903.40 and 808,002.80 is: 1,211,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,108.40 : 4,406,903.40 = 808,002.80 : x
  2. Step 2: Convert to fraction form
    2,938,108.40/4,406,903.40 = 808,002.80/x
  3. Step 3: Cross multiply
    2,938,108.40x = 4,406,903.40 × 808,002.80
  4. Step 4: Simplify right side
    2,938,108.40x = 3,560,790,286,529.52
  5. Step 5: Solve for x
    x = 3,560,790,286,529.52/2,938,108.40
  6. Step 6: Final answer
    x = 1,211,932.92

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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.