Home / 2,809,534.61-3,877,157.77-1,520,375.01

Finding the Fourth Proportional to 2,809,534.61, 3,877,157.77 and 1,520,375.01

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Solution

The fourth proportional to 2,809,534.61, 3,877,157.77 and 1,520,375.01 is: 2,098,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,534.61 : 3,877,157.77 = 1,520,375.01 : x
  2. Step 2: Convert to fraction form
    2,809,534.61/3,877,157.77 = 1,520,375.01/x
  3. Step 3: Cross multiply
    2,809,534.61x = 3,877,157.77 × 1,520,375.01
  4. Step 4: Simplify right side
    2,809,534.61x = 5,894,733,779,534.39
  5. Step 5: Solve for x
    x = 5,894,733,779,534.39/2,809,534.61
  6. Step 6: Final answer
    x = 2,098,117.52

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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.