Home / 1,660,111.60-2,490,167.40-939,713.80

Finding the Fourth Proportional to 1,660,111.60, 2,490,167.40 and 939,713.80

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Solution

The fourth proportional to 1,660,111.60, 2,490,167.40 and 939,713.80 is: 1,409,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,111.60 : 2,490,167.40 = 939,713.80 : x
  2. Step 2: Convert to fraction form
    1,660,111.60/2,490,167.40 = 939,713.80/x
  3. Step 3: Cross multiply
    1,660,111.60x = 2,490,167.40 × 939,713.80
  4. Step 4: Simplify right side
    1,660,111.60x = 2,340,044,670,090.12
  5. Step 5: Solve for x
    x = 2,340,044,670,090.12/1,660,111.60
  6. Step 6: Final answer
    x = 1,409,570.70

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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.