Home / 5,756,280.30-8,634,301.88-1,918,381.43

Finding the Fourth Proportional to 5,756,280.30, 8,634,301.88 and 1,918,381.43

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Solution

The fourth proportional to 5,756,280.30, 8,634,301.88 and 1,918,381.43 is: 2,877,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756,280.30 : 8,634,301.88 = 1,918,381.43 : x
  2. Step 2: Convert to fraction form
    5,756,280.30/8,634,301.88 = 1,918,381.43/x
  3. Step 3: Cross multiply
    5,756,280.30x = 8,634,301.88 × 1,918,381.43
  4. Step 4: Simplify right side
    5,756,280.30x = 16,563,884,413,987.80
  5. Step 5: Solve for x
    x = 16,563,884,413,987.80/5,756,280.30
  6. Step 6: Final answer
    x = 2,877,532.63

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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.