Home / 1,708,982.60-2,563,473.90-1,643,664.20

Finding the Fourth Proportional to 1,708,982.60, 2,563,473.90 and 1,643,664.20

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Solution

The fourth proportional to 1,708,982.60, 2,563,473.90 and 1,643,664.20 is: 2,465,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,982.60 : 2,563,473.90 = 1,643,664.20 : x
  2. Step 2: Convert to fraction form
    1,708,982.60/2,563,473.90 = 1,643,664.20/x
  3. Step 3: Cross multiply
    1,708,982.60x = 2,563,473.90 × 1,643,664.20
  4. Step 4: Simplify right side
    1,708,982.60x = 4,213,490,277,064.38
  5. Step 5: Solve for x
    x = 4,213,490,277,064.38/1,708,982.60
  6. Step 6: Final answer
    x = 2,465,496.30

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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.