Home / 5,915,445.51-8,872,280.22-1,871,407.86

Finding the Fourth Proportional to 5,915,445.51, 8,872,280.22 and 1,871,407.86

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Solution

The fourth proportional to 5,915,445.51, 8,872,280.22 and 1,871,407.86 is: 2,806,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915,445.51 : 8,872,280.22 = 1,871,407.86 : x
  2. Step 2: Convert to fraction form
    5,915,445.51/8,872,280.22 = 1,871,407.86/x
  3. Step 3: Cross multiply
    5,915,445.51x = 8,872,280.22 × 1,871,407.86
  4. Step 4: Simplify right side
    5,915,445.51x = 16,603,654,939,830.53
  5. Step 5: Solve for x
    x = 16,603,654,939,830.53/5,915,445.51
  6. Step 6: Final answer
    x = 2,806,830.85

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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.