Home / 2,110,931.28-3,142,908.54-2,081,116.80

Finding the Fourth Proportional to 2,110,931.28, 3,142,908.54 and 2,081,116.80

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Solution

The fourth proportional to 2,110,931.28, 3,142,908.54 and 2,081,116.80 is: 3,098,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,931.28 : 3,142,908.54 = 2,081,116.80 : x
  2. Step 2: Convert to fraction form
    2,110,931.28/3,142,908.54 = 2,081,116.80/x
  3. Step 3: Cross multiply
    2,110,931.28x = 3,142,908.54 × 2,081,116.80
  4. Step 4: Simplify right side
    2,110,931.28x = 6,540,759,763,457.47
  5. Step 5: Solve for x
    x = 6,540,759,763,457.47/2,110,931.28
  6. Step 6: Final answer
    x = 3,098,518.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.