Home / 1,916,428.80-2,874,643.20-1,823,116.80

Finding the Fourth Proportional to 1,916,428.80, 2,874,643.20 and 1,823,116.80

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Solution

The fourth proportional to 1,916,428.80, 2,874,643.20 and 1,823,116.80 is: 2,734,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,428.80 : 2,874,643.20 = 1,823,116.80 : x
  2. Step 2: Convert to fraction form
    1,916,428.80/2,874,643.20 = 1,823,116.80/x
  3. Step 3: Cross multiply
    1,916,428.80x = 2,874,643.20 × 1,823,116.80
  4. Step 4: Simplify right side
    1,916,428.80x = 5,240,810,311,925.76
  5. Step 5: Solve for x
    x = 5,240,810,311,925.76/1,916,428.80
  6. Step 6: Final answer
    x = 2,734,675.20

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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.