Home / 1,913,456.50-2,640,577.12-1,054,014.71

Finding the Fourth Proportional to 1,913,456.50, 2,640,577.12 and 1,054,014.71

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Solution

The fourth proportional to 1,913,456.50, 2,640,577.12 and 1,054,014.71 is: 1,454,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,456.50 : 2,640,577.12 = 1,054,014.71 : x
  2. Step 2: Convert to fraction form
    1,913,456.50/2,640,577.12 = 1,054,014.71/x
  3. Step 3: Cross multiply
    1,913,456.50x = 2,640,577.12 × 1,054,014.71
  4. Step 4: Simplify right side
    1,913,456.50x = 2,783,207,111,531.51
  5. Step 5: Solve for x
    x = 2,783,207,111,531.51/1,913,456.50
  6. Step 6: Final answer
    x = 1,454,544.23

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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.