Home / 2,108,613.96-2,910,316.50-1,429,769.16

Finding the Fourth Proportional to 2,108,613.96, 2,910,316.50 and 1,429,769.16

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Solution

The fourth proportional to 2,108,613.96, 2,910,316.50 and 1,429,769.16 is: 1,973,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,613.96 : 2,910,316.50 = 1,429,769.16 : x
  2. Step 2: Convert to fraction form
    2,108,613.96/2,910,316.50 = 1,429,769.16/x
  3. Step 3: Cross multiply
    2,108,613.96x = 2,910,316.50 × 1,429,769.16
  4. Step 4: Simplify right side
    2,108,613.96x = 4,161,080,777,539.14
  5. Step 5: Solve for x
    x = 4,161,080,777,539.14/2,108,613.96
  6. Step 6: Final answer
    x = 1,973,372.49

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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.