Home / 2,758,946-4,134,412.92-1,961,831.12

Finding the Fourth Proportional to 2,758,946, 4,134,412.92 and 1,961,831.12

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Solution

The fourth proportional to 2,758,946, 4,134,412.92 and 1,961,831.12 is: 2,939,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,946 : 4,134,412.92 = 1,961,831.12 : x
  2. Step 2: Convert to fraction form
    2,758,946/4,134,412.92 = 1,961,831.12/x
  3. Step 3: Cross multiply
    2,758,946x = 4,134,412.92 × 1,961,831.12
  4. Step 4: Simplify right side
    2,758,946x = 8,111,019,929,386.07
  5. Step 5: Solve for x
    x = 8,111,019,929,386.07/2,758,946
  6. Step 6: Final answer
    x = 2,939,898.04

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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.