Home / 1,922,410.80-2,883,875.40-660,625.20

Finding the Fourth Proportional to 1,922,410.80, 2,883,875.40 and 660,625.20

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Solution

The fourth proportional to 1,922,410.80, 2,883,875.40 and 660,625.20 is: 991,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,410.80 : 2,883,875.40 = 660,625.20 : x
  2. Step 2: Convert to fraction form
    1,922,410.80/2,883,875.40 = 660,625.20/x
  3. Step 3: Cross multiply
    1,922,410.80x = 2,883,875.40 × 660,625.20
  4. Step 4: Simplify right side
    1,922,410.80x = 1,905,160,762,900.08
  5. Step 5: Solve for x
    x = 1,905,160,762,900.08/1,922,410.80
  6. Step 6: Final answer
    x = 991,026.87

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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.