Home / 1,948,190.12-2,688,621.72-1,088,819

Finding the Fourth Proportional to 1,948,190.12, 2,688,621.72 and 1,088,819

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Solution

The fourth proportional to 1,948,190.12, 2,688,621.72 and 1,088,819 is: 1,502,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,190.12 : 2,688,621.72 = 1,088,819 : x
  2. Step 2: Convert to fraction form
    1,948,190.12/2,688,621.72 = 1,088,819/x
  3. Step 3: Cross multiply
    1,948,190.12x = 2,688,621.72 × 1,088,819
  4. Step 4: Simplify right side
    1,948,190.12x = 2,927,422,412,548.68
  5. Step 5: Solve for x
    x = 2,927,422,412,548.68/1,948,190.12
  6. Step 6: Final answer
    x = 1,502,636.93

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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.