Home / 2,928,973.90-4,392,612.53-879,551.74

Finding the Fourth Proportional to 2,928,973.90, 4,392,612.53 and 879,551.74

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Solution

The fourth proportional to 2,928,973.90, 4,392,612.53 and 879,551.74 is: 1,319,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,973.90 : 4,392,612.53 = 879,551.74 : x
  2. Step 2: Convert to fraction form
    2,928,973.90/4,392,612.53 = 879,551.74/x
  3. Step 3: Cross multiply
    2,928,973.90x = 4,392,612.53 × 879,551.74
  4. Step 4: Simplify right side
    2,928,973.90x = 3,863,529,993,907.30
  5. Step 5: Solve for x
    x = 3,863,529,993,907.30/2,928,973.90
  6. Step 6: Final answer
    x = 1,319,072.87

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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.