Home / 2,126,869.63-2,934,575.26-1,209,026.23

Finding the Fourth Proportional to 2,126,869.63, 2,934,575.26 and 1,209,026.23

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Solution

The fourth proportional to 2,126,869.63, 2,934,575.26 and 1,209,026.23 is: 1,668,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,869.63 : 2,934,575.26 = 1,209,026.23 : x
  2. Step 2: Convert to fraction form
    2,126,869.63/2,934,575.26 = 1,209,026.23/x
  3. Step 3: Cross multiply
    2,126,869.63x = 2,934,575.26 × 1,209,026.23
  4. Step 4: Simplify right side
    2,126,869.63x = 3,547,978,452,890.07
  5. Step 5: Solve for x
    x = 3,547,978,452,890.07/2,126,869.63
  6. Step 6: Final answer
    x = 1,668,169.22

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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.