Home / 1,999,377.77-2,759,072.69-1,140,214.55

Finding the Fourth Proportional to 1,999,377.77, 2,759,072.69 and 1,140,214.55

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Solution

The fourth proportional to 1,999,377.77, 2,759,072.69 and 1,140,214.55 is: 1,573,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,377.77 : 2,759,072.69 = 1,140,214.55 : x
  2. Step 2: Convert to fraction form
    1,999,377.77/2,759,072.69 = 1,140,214.55/x
  3. Step 3: Cross multiply
    1,999,377.77x = 2,759,072.69 × 1,140,214.55
  4. Step 4: Simplify right side
    1,999,377.77x = 3,145,934,814,700.81
  5. Step 5: Solve for x
    x = 3,145,934,814,700.81/1,999,377.77
  6. Step 6: Final answer
    x = 1,573,456.94

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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.