Home / 2,859,862.50-4,290,384.51-838,172.70

Finding the Fourth Proportional to 2,859,862.50, 4,290,384.51 and 838,172.70

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Solution

The fourth proportional to 2,859,862.50, 4,290,384.51 and 838,172.70 is: 1,257,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,862.50 : 4,290,384.51 = 838,172.70 : x
  2. Step 2: Convert to fraction form
    2,859,862.50/4,290,384.51 = 838,172.70/x
  3. Step 3: Cross multiply
    2,859,862.50x = 4,290,384.51 × 838,172.70
  4. Step 4: Simplify right side
    2,859,862.50x = 3,596,083,168,784.88
  5. Step 5: Solve for x
    x = 3,596,083,168,784.88/2,859,862.50
  6. Step 6: Final answer
    x = 1,257,432.19

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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.