Home / 5,126,038.20-7,688,474.10-1,339,903.80

Finding the Fourth Proportional to 5,126,038.20, 7,688,474.10 and 1,339,903.80

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Solution

The fourth proportional to 5,126,038.20, 7,688,474.10 and 1,339,903.80 is: 2,009,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,038.20 : 7,688,474.10 = 1,339,903.80 : x
  2. Step 2: Convert to fraction form
    5,126,038.20/7,688,474.10 = 1,339,903.80/x
  3. Step 3: Cross multiply
    5,126,038.20x = 7,688,474.10 × 1,339,903.80
  4. Step 4: Simplify right side
    5,126,038.20x = 10,301,815,662,791.58
  5. Step 5: Solve for x
    x = 10,301,815,662,791.58/5,126,038.20
  6. Step 6: Final answer
    x = 2,009,703.26

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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.