Home / 1,913,019.31-2,640,085.94-1,053,579.34

Finding the Fourth Proportional to 1,913,019.31, 2,640,085.94 and 1,053,579.34

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Solution

The fourth proportional to 1,913,019.31, 2,640,085.94 and 1,053,579.34 is: 1,454,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,019.31 : 2,640,085.94 = 1,053,579.34 : x
  2. Step 2: Convert to fraction form
    1,913,019.31/2,640,085.94 = 1,053,579.34/x
  3. Step 3: Cross multiply
    1,913,019.31x = 2,640,085.94 × 1,053,579.34
  4. Step 4: Simplify right side
    1,913,019.31x = 2,781,539,997,742.59
  5. Step 5: Solve for x
    x = 2,781,539,997,742.59/1,913,019.31
  6. Step 6: Final answer
    x = 1,454,005.19

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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.