Home / 1,947,945.54-2,688,114.78-1,088,512.86

Finding the Fourth Proportional to 1,947,945.54, 2,688,114.78 and 1,088,512.86

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Solution

The fourth proportional to 1,947,945.54, 2,688,114.78 and 1,088,512.86 is: 1,502,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,945.54 : 2,688,114.78 = 1,088,512.86 : x
  2. Step 2: Convert to fraction form
    1,947,945.54/2,688,114.78 = 1,088,512.86/x
  3. Step 3: Cross multiply
    1,947,945.54x = 2,688,114.78 × 1,088,512.86
  4. Step 4: Simplify right side
    1,947,945.54x = 2,926,047,507,186.07
  5. Step 5: Solve for x
    x = 2,926,047,507,186.07/1,947,945.54
  6. Step 6: Final answer
    x = 1,502,119.77

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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.