Home / 1,913,438.16-2,640,564.24-1,054,020

Finding the Fourth Proportional to 1,913,438.16, 2,640,564.24 and 1,054,020

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Solution

The fourth proportional to 1,913,438.16, 2,640,564.24 and 1,054,020 is: 1,454,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,438.16 : 2,640,564.24 = 1,054,020 : x
  2. Step 2: Convert to fraction form
    1,913,438.16/2,640,564.24 = 1,054,020/x
  3. Step 3: Cross multiply
    1,913,438.16x = 2,640,564.24 × 1,054,020
  4. Step 4: Simplify right side
    1,913,438.16x = 2,783,207,520,244.80
  5. Step 5: Solve for x
    x = 2,783,207,520,244.80/1,913,438.16
  6. Step 6: Final answer
    x = 1,454,558.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.