Home / 1,663,720.20-2,490,914.70-1,617,064.20

Finding the Fourth Proportional to 1,663,720.20, 2,490,914.70 and 1,617,064.20

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Solution

The fourth proportional to 1,663,720.20, 2,490,914.70 and 1,617,064.20 is: 2,421,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,720.20 : 2,490,914.70 = 1,617,064.20 : x
  2. Step 2: Convert to fraction form
    1,663,720.20/2,490,914.70 = 1,617,064.20/x
  3. Step 3: Cross multiply
    1,663,720.20x = 2,490,914.70 × 1,617,064.20
  4. Step 4: Simplify right side
    1,663,720.20x = 4,027,968,986,623.74
  5. Step 5: Solve for x
    x = 4,027,968,986,623.74/1,663,720.20
  6. Step 6: Final answer
    x = 2,421,061.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.