Home / 2,177,632.31-3,005,116.90-1,210,754.14

Finding the Fourth Proportional to 2,177,632.31, 3,005,116.90 and 1,210,754.14

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Solution

The fourth proportional to 2,177,632.31, 3,005,116.90 and 1,210,754.14 is: 1,670,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,632.31 : 3,005,116.90 = 1,210,754.14 : x
  2. Step 2: Convert to fraction form
    2,177,632.31/3,005,116.90 = 1,210,754.14/x
  3. Step 3: Cross multiply
    2,177,632.31x = 3,005,116.90 × 1,210,754.14
  4. Step 4: Simplify right side
    2,177,632.31x = 3,638,457,717,319.29
  5. Step 5: Solve for x
    x = 3,638,457,717,319.29/2,177,632.31
  6. Step 6: Final answer
    x = 1,670,831.99

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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.