Home / 1,929,126.40-2,662,064.67-1,069,654.84

Finding the Fourth Proportional to 1,929,126.40, 2,662,064.67 and 1,069,654.84

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Solution

The fourth proportional to 1,929,126.40, 2,662,064.67 and 1,069,654.84 is: 1,476,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,126.40 : 2,662,064.67 = 1,069,654.84 : x
  2. Step 2: Convert to fraction form
    1,929,126.40/2,662,064.67 = 1,069,654.84/x
  3. Step 3: Cross multiply
    1,929,126.40x = 2,662,064.67 × 1,069,654.84
  4. Step 4: Simplify right side
    1,929,126.40x = 2,847,490,358,658.50
  5. Step 5: Solve for x
    x = 2,847,490,358,658.50/1,929,126.40
  6. Step 6: Final answer
    x = 1,476,051.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.