Home / 1,913,999.76-2,641,366.80-1,178,675.82

Finding the Fourth Proportional to 1,913,999.76, 2,641,366.80 and 1,178,675.82

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Solution

The fourth proportional to 1,913,999.76, 2,641,366.80 and 1,178,675.82 is: 1,626,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,999.76 : 2,641,366.80 = 1,178,675.82 : x
  2. Step 2: Convert to fraction form
    1,913,999.76/2,641,366.80 = 1,178,675.82/x
  3. Step 3: Cross multiply
    1,913,999.76x = 2,641,366.80 × 1,178,675.82
  4. Step 4: Simplify right side
    1,913,999.76x = 3,113,315,178,910.78
  5. Step 5: Solve for x
    x = 3,113,315,178,910.78/1,913,999.76
  6. Step 6: Final answer
    x = 1,626,601.66

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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.