Home / 5,915,459.12-8,872,300.58-1,871,421.45

Finding the Fourth Proportional to 5,915,459.12, 8,872,300.58 and 1,871,421.45

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Solution

The fourth proportional to 5,915,459.12, 8,872,300.58 and 1,871,421.45 is: 2,806,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915,459.12 : 8,872,300.58 = 1,871,421.45 : x
  2. Step 2: Convert to fraction form
    5,915,459.12/8,872,300.58 = 1,871,421.45/x
  3. Step 3: Cross multiply
    5,915,459.12x = 8,872,300.58 × 1,871,421.45
  4. Step 4: Simplify right side
    5,915,459.12x = 16,603,813,639,328.02
  5. Step 5: Solve for x
    x = 16,603,813,639,328.02/5,915,459.12
  6. Step 6: Final answer
    x = 2,806,851.22

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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.