Home / 2,126,703.87-2,934,734.29-1,208,805.39

Finding the Fourth Proportional to 2,126,703.87, 2,934,734.29 and 1,208,805.39

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Solution

The fourth proportional to 2,126,703.87, 2,934,734.29 and 1,208,805.39 is: 1,668,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,703.87 : 2,934,734.29 = 1,208,805.39 : x
  2. Step 2: Convert to fraction form
    2,126,703.87/2,934,734.29 = 1,208,805.39/x
  3. Step 3: Cross multiply
    2,126,703.87x = 2,934,734.29 × 1,208,805.39
  4. Step 4: Simplify right side
    2,126,703.87x = 3,547,522,624,947.81
  5. Step 5: Solve for x
    x = 3,547,522,624,947.81/2,126,703.87
  6. Step 6: Final answer
    x = 1,668,084.91

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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.