Home / 1,931,664.20-2,897,885.10-669,230.60

Finding the Fourth Proportional to 1,931,664.20, 2,897,885.10 and 669,230.60

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Solution

The fourth proportional to 1,931,664.20, 2,897,885.10 and 669,230.60 is: 1,003,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,664.20 : 2,897,885.10 = 669,230.60 : x
  2. Step 2: Convert to fraction form
    1,931,664.20/2,897,885.10 = 669,230.60/x
  3. Step 3: Cross multiply
    1,931,664.20x = 2,897,885.10 × 669,230.60
  4. Step 4: Simplify right side
    1,931,664.20x = 1,939,353,384,204.06
  5. Step 5: Solve for x
    x = 1,939,353,384,204.06/1,931,664.20
  6. Step 6: Final answer
    x = 1,003,980.60

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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.