Home / 1,955,416.80-2,933,125.20-1,105,111.20

Finding the Fourth Proportional to 1,955,416.80, 2,933,125.20 and 1,105,111.20

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Solution

The fourth proportional to 1,955,416.80, 2,933,125.20 and 1,105,111.20 is: 1,657,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,416.80 : 2,933,125.20 = 1,105,111.20 : x
  2. Step 2: Convert to fraction form
    1,955,416.80/2,933,125.20 = 1,105,111.20/x
  3. Step 3: Cross multiply
    1,955,416.80x = 2,933,125.20 × 1,105,111.20
  4. Step 4: Simplify right side
    1,955,416.80x = 3,241,429,509,522.24
  5. Step 5: Solve for x
    x = 3,241,429,509,522.24/1,955,416.80
  6. Step 6: Final answer
    x = 1,657,666.80

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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.