Home / 1,660,683.60-2,491,025.40-1,646,686.80

Finding the Fourth Proportional to 1,660,683.60, 2,491,025.40 and 1,646,686.80

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Solution

The fourth proportional to 1,660,683.60, 2,491,025.40 and 1,646,686.80 is: 2,470,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,683.60 : 2,491,025.40 = 1,646,686.80 : x
  2. Step 2: Convert to fraction form
    1,660,683.60/2,491,025.40 = 1,646,686.80/x
  3. Step 3: Cross multiply
    1,660,683.60x = 2,491,025.40 × 1,646,686.80
  4. Step 4: Simplify right side
    1,660,683.60x = 4,101,938,644,644.72
  5. Step 5: Solve for x
    x = 4,101,938,644,644.72/1,660,683.60
  6. Step 6: Final answer
    x = 2,470,030.20

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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.