Home / 5,220,256.28-7,830,368.58-1,433,742.52

Finding the Fourth Proportional to 5,220,256.28, 7,830,368.58 and 1,433,742.52

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Solution

The fourth proportional to 5,220,256.28, 7,830,368.58 and 1,433,742.52 is: 2,150,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,256.28 : 7,830,368.58 = 1,433,742.52 : x
  2. Step 2: Convert to fraction form
    5,220,256.28/7,830,368.58 = 1,433,742.52/x
  3. Step 3: Cross multiply
    5,220,256.28x = 7,830,368.58 × 1,433,742.52
  4. Step 4: Simplify right side
    5,220,256.28x = 11,226,732,380,418.02
  5. Step 5: Solve for x
    x = 11,226,732,380,418.02/5,220,256.28
  6. Step 6: Final answer
    x = 2,150,609.43

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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.