Home / 1,947,919.64-2,688,077.52-1,088,486.96

Finding the Fourth Proportional to 1,947,919.64, 2,688,077.52 and 1,088,486.96

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Solution

The fourth proportional to 1,947,919.64, 2,688,077.52 and 1,088,486.96 is: 1,502,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,919.64 : 2,688,077.52 = 1,088,486.96 : x
  2. Step 2: Convert to fraction form
    1,947,919.64/2,688,077.52 = 1,088,486.96/x
  3. Step 3: Cross multiply
    1,947,919.64x = 2,688,077.52 × 1,088,486.96
  4. Step 4: Simplify right side
    1,947,919.64x = 2,925,937,327,989.14
  5. Step 5: Solve for x
    x = 2,925,937,327,989.14/1,947,919.64
  6. Step 6: Final answer
    x = 1,502,083.18

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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.