Home / 1,407,761.19-2,111,641.32-1,217,656.23

Finding the Fourth Proportional to 1,407,761.19, 2,111,641.32 and 1,217,656.23

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Solution

The fourth proportional to 1,407,761.19, 2,111,641.32 and 1,217,656.23 is: 1,826,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,761.19 : 2,111,641.32 = 1,217,656.23 : x
  2. Step 2: Convert to fraction form
    1,407,761.19/2,111,641.32 = 1,217,656.23/x
  3. Step 3: Cross multiply
    1,407,761.19x = 2,111,641.32 × 1,217,656.23
  4. Step 4: Simplify right side
    1,407,761.19x = 2,571,253,208,823.42
  5. Step 5: Solve for x
    x = 2,571,253,208,823.42/1,407,761.19
  6. Step 6: Final answer
    x = 1,826,483.94

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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.