Home / 2,108,772.60-3,163,158.90-971,532.60

Finding the Fourth Proportional to 2,108,772.60, 3,163,158.90 and 971,532.60

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Solution

The fourth proportional to 2,108,772.60, 3,163,158.90 and 971,532.60 is: 1,457,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,772.60 : 3,163,158.90 = 971,532.60 : x
  2. Step 2: Convert to fraction form
    2,108,772.60/3,163,158.90 = 971,532.60/x
  3. Step 3: Cross multiply
    2,108,772.60x = 3,163,158.90 × 971,532.60
  4. Step 4: Simplify right side
    2,108,772.60x = 3,073,111,990,330.14
  5. Step 5: Solve for x
    x = 3,073,111,990,330.14/2,108,772.60
  6. Step 6: Final answer
    x = 1,457,298.90

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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.