Home / 2,118,526.47-3,177,762.36-521,103.42

Finding the Fourth Proportional to 2,118,526.47, 3,177,762.36 and 521,103.42

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Solution

The fourth proportional to 2,118,526.47, 3,177,762.36 and 521,103.42 is: 781,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,526.47 : 3,177,762.36 = 521,103.42 : x
  2. Step 2: Convert to fraction form
    2,118,526.47/3,177,762.36 = 521,103.42/x
  3. Step 3: Cross multiply
    2,118,526.47x = 3,177,762.36 × 521,103.42
  4. Step 4: Simplify right side
    2,118,526.47x = 1,655,942,833,743.27
  5. Step 5: Solve for x
    x = 1,655,942,833,743.27/2,118,526.47
  6. Step 6: Final answer
    x = 781,648.40

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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.