Home / 1,931,740.20-2,897,999.10-669,306.60

Finding the Fourth Proportional to 1,931,740.20, 2,897,999.10 and 669,306.60

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Solution

The fourth proportional to 1,931,740.20, 2,897,999.10 and 669,306.60 is: 1,004,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,740.20 : 2,897,999.10 = 669,306.60 : x
  2. Step 2: Convert to fraction form
    1,931,740.20/2,897,999.10 = 669,306.60/x
  3. Step 3: Cross multiply
    1,931,740.20x = 2,897,999.10 × 669,306.60
  4. Step 4: Simplify right side
    1,931,740.20x = 1,939,649,924,424.06
  5. Step 5: Solve for x
    x = 1,939,649,924,424.06/1,931,740.20
  6. Step 6: Final answer
    x = 1,004,094.61

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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.