Home / 2,078,700.10-3,119,086.95-1,180,831.30

Finding the Fourth Proportional to 2,078,700.10, 3,119,086.95 and 1,180,831.30

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Solution

The fourth proportional to 2,078,700.10, 3,119,086.95 and 1,180,831.30 is: 1,771,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,700.10 : 3,119,086.95 = 1,180,831.30 : x
  2. Step 2: Convert to fraction form
    2,078,700.10/3,119,086.95 = 1,180,831.30/x
  3. Step 3: Cross multiply
    2,078,700.10x = 3,119,086.95 × 1,180,831.30
  4. Step 4: Simplify right side
    2,078,700.10x = 3,683,115,497,981.54
  5. Step 5: Solve for x
    x = 3,683,115,497,981.54/2,078,700.10
  6. Step 6: Final answer
    x = 1,771,835.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.