Home / 1,909,914.27-2,634,347.11-1,297,002.96

Finding the Fourth Proportional to 1,909,914.27, 2,634,347.11 and 1,297,002.96

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Solution

The fourth proportional to 1,909,914.27, 2,634,347.11 and 1,297,002.96 is: 1,788,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,914.27 : 2,634,347.11 = 1,297,002.96 : x
  2. Step 2: Convert to fraction form
    1,909,914.27/2,634,347.11 = 1,297,002.96/x
  3. Step 3: Cross multiply
    1,909,914.27x = 2,634,347.11 × 1,297,002.96
  4. Step 4: Simplify right side
    1,909,914.27x = 3,416,755,999,337.45
  5. Step 5: Solve for x
    x = 3,416,755,999,337.45/1,909,914.27
  6. Step 6: Final answer
    x = 1,788,957.78

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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.