Home / 2,171,403.90-3,256,522.65-908,970.30

Finding the Fourth Proportional to 2,171,403.90, 3,256,522.65 and 908,970.30

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Solution

The fourth proportional to 2,171,403.90, 3,256,522.65 and 908,970.30 is: 1,363,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,403.90 : 3,256,522.65 = 908,970.30 : x
  2. Step 2: Convert to fraction form
    2,171,403.90/3,256,522.65 = 908,970.30/x
  3. Step 3: Cross multiply
    2,171,403.90x = 3,256,522.65 × 908,970.30
  4. Step 4: Simplify right side
    2,171,403.90x = 2,960,082,370,127.30
  5. Step 5: Solve for x
    x = 2,960,082,370,127.30/2,171,403.90
  6. Step 6: Final answer
    x = 1,363,211.32

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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.