Home / 1,931,666.20-2,897,888.10-669,232.60

Finding the Fourth Proportional to 1,931,666.20, 2,897,888.10 and 669,232.60

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Solution

The fourth proportional to 1,931,666.20, 2,897,888.10 and 669,232.60 is: 1,003,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,666.20 : 2,897,888.10 = 669,232.60 : x
  2. Step 2: Convert to fraction form
    1,931,666.20/2,897,888.10 = 669,232.60/x
  3. Step 3: Cross multiply
    1,931,666.20x = 2,897,888.10 × 669,232.60
  4. Step 4: Simplify right side
    1,931,666.20x = 1,939,361,187,672.06
  5. Step 5: Solve for x
    x = 1,939,361,187,672.06/1,931,666.20
  6. Step 6: Final answer
    x = 1,003,983.60

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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.