Home / 2,871,811.20-4,307,678.40-877,276.80

Finding the Fourth Proportional to 2,871,811.20, 4,307,678.40 and 877,276.80

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Solution

The fourth proportional to 2,871,811.20, 4,307,678.40 and 877,276.80 is: 1,315,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,811.20 : 4,307,678.40 = 877,276.80 : x
  2. Step 2: Convert to fraction form
    2,871,811.20/4,307,678.40 = 877,276.80/x
  3. Step 3: Cross multiply
    2,871,811.20x = 4,307,678.40 × 877,276.80
  4. Step 4: Simplify right side
    2,871,811.20x = 3,779,026,322,181.12
  5. Step 5: Solve for x
    x = 3,779,026,322,181.12/2,871,811.20
  6. Step 6: Final answer
    x = 1,315,903.47

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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.