Home / 1,947,894.18-2,688,088.32-1,088,455.29

Finding the Fourth Proportional to 1,947,894.18, 2,688,088.32 and 1,088,455.29

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Solution

The fourth proportional to 1,947,894.18, 2,688,088.32 and 1,088,455.29 is: 1,502,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,894.18 : 2,688,088.32 = 1,088,455.29 : x
  2. Step 2: Convert to fraction form
    1,947,894.18/2,688,088.32 = 1,088,455.29/x
  3. Step 3: Cross multiply
    1,947,894.18x = 2,688,088.32 × 1,088,455.29
  4. Step 4: Simplify right side
    1,947,894.18x = 2,925,863,951,891.21
  5. Step 5: Solve for x
    x = 2,925,863,951,891.21/1,947,894.18
  6. Step 6: Final answer
    x = 1,502,065.14

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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.