Home / 1,947,928.30-2,688,089.42-1,088,495.62

Finding the Fourth Proportional to 1,947,928.30, 2,688,089.42 and 1,088,495.62

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Solution

The fourth proportional to 1,947,928.30, 2,688,089.42 and 1,088,495.62 is: 1,502,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,928.30 : 2,688,089.42 = 1,088,495.62 : x
  2. Step 2: Convert to fraction form
    1,947,928.30/2,688,089.42 = 1,088,495.62/x
  3. Step 3: Cross multiply
    1,947,928.30x = 2,688,089.42 × 1,088,495.62
  4. Step 4: Simplify right side
    1,947,928.30x = 2,925,973,555,839.36
  5. Step 5: Solve for x
    x = 2,925,973,555,839.36/1,947,928.30
  6. Step 6: Final answer
    x = 1,502,095.10

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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.