Home / 3,215,763.20-4,823,644.80-971,901.20

Finding the Fourth Proportional to 3,215,763.20, 4,823,644.80 and 971,901.20

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Solution

The fourth proportional to 3,215,763.20, 4,823,644.80 and 971,901.20 is: 1,457,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,763.20 : 4,823,644.80 = 971,901.20 : x
  2. Step 2: Convert to fraction form
    3,215,763.20/4,823,644.80 = 971,901.20/x
  3. Step 3: Cross multiply
    3,215,763.20x = 4,823,644.80 × 971,901.20
  4. Step 4: Simplify right side
    3,215,763.20x = 4,688,106,169,493.76
  5. Step 5: Solve for x
    x = 4,688,106,169,493.76/3,215,763.20
  6. Step 6: Final answer
    x = 1,457,851.80

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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.