Home / 2,878,034.80-4,315,885.80-983,801.20

Finding the Fourth Proportional to 2,878,034.80, 4,315,885.80 and 983,801.20

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Solution

The fourth proportional to 2,878,034.80, 4,315,885.80 and 983,801.20 is: 1,475,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,034.80 : 4,315,885.80 = 983,801.20 : x
  2. Step 2: Convert to fraction form
    2,878,034.80/4,315,885.80 = 983,801.20/x
  3. Step 3: Cross multiply
    2,878,034.80x = 4,315,885.80 × 983,801.20
  4. Step 4: Simplify right side
    2,878,034.80x = 4,245,973,629,102.96
  5. Step 5: Solve for x
    x = 4,245,973,629,102.96/2,878,034.80
  6. Step 6: Final answer
    x = 1,475,303.09

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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.