Home / 2,130,025.71-2,939,432.93-1,259,174.27

Finding the Fourth Proportional to 2,130,025.71, 2,939,432.93 and 1,259,174.27

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Solution

The fourth proportional to 2,130,025.71, 2,939,432.93 and 1,259,174.27 is: 1,737,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,025.71 : 2,939,432.93 = 1,259,174.27 : x
  2. Step 2: Convert to fraction form
    2,130,025.71/2,939,432.93 = 1,259,174.27/x
  3. Step 3: Cross multiply
    2,130,025.71x = 2,939,432.93 × 1,259,174.27
  4. Step 4: Simplify right side
    2,130,025.71x = 3,701,258,292,853.68
  5. Step 5: Solve for x
    x = 3,701,258,292,853.68/2,130,025.71
  6. Step 6: Final answer
    x = 1,737,658.98

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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.