Home / 2,912,339.40-4,367,472.30-1,315,667.40

Finding the Fourth Proportional to 2,912,339.40, 4,367,472.30 and 1,315,667.40

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Solution

The fourth proportional to 2,912,339.40, 4,367,472.30 and 1,315,667.40 is: 1,973,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,339.40 : 4,367,472.30 = 1,315,667.40 : x
  2. Step 2: Convert to fraction form
    2,912,339.40/4,367,472.30 = 1,315,667.40/x
  3. Step 3: Cross multiply
    2,912,339.40x = 4,367,472.30 × 1,315,667.40
  4. Step 4: Simplify right side
    2,912,339.40x = 5,746,140,925,513.02
  5. Step 5: Solve for x
    x = 5,746,140,925,513.02/2,912,339.40
  6. Step 6: Final answer
    x = 1,973,032.72

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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.