Home / 2,871,807.20-4,307,672.40-877,272.80

Finding the Fourth Proportional to 2,871,807.20, 4,307,672.40 and 877,272.80

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Solution

The fourth proportional to 2,871,807.20, 4,307,672.40 and 877,272.80 is: 1,315,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,807.20 : 4,307,672.40 = 877,272.80 : x
  2. Step 2: Convert to fraction form
    2,871,807.20/4,307,672.40 = 877,272.80/x
  3. Step 3: Cross multiply
    2,871,807.20x = 4,307,672.40 × 877,272.80
  4. Step 4: Simplify right side
    2,871,807.20x = 3,779,003,827,830.72
  5. Step 5: Solve for x
    x = 3,779,003,827,830.72/2,871,807.20
  6. Step 6: Final answer
    x = 1,315,897.47

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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.