Home / 2,109,673.35-2,911,363.16-1,142,803.62

Finding the Fourth Proportional to 2,109,673.35, 2,911,363.16 and 1,142,803.62

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Solution

The fourth proportional to 2,109,673.35, 2,911,363.16 and 1,142,803.62 is: 1,577,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,673.35 : 2,911,363.16 = 1,142,803.62 : x
  2. Step 2: Convert to fraction form
    2,109,673.35/2,911,363.16 = 1,142,803.62/x
  3. Step 3: Cross multiply
    2,109,673.35x = 2,911,363.16 × 1,142,803.62
  4. Step 4: Simplify right side
    2,109,673.35x = 3,327,116,352,668.62
  5. Step 5: Solve for x
    x = 3,327,116,352,668.62/2,109,673.35
  6. Step 6: Final answer
    x = 1,577,076.54

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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.