Home / 2,859,083.07-4,288,675.86-1,038,740.80

Finding the Fourth Proportional to 2,859,083.07, 4,288,675.86 and 1,038,740.80

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Solution

The fourth proportional to 2,859,083.07, 4,288,675.86 and 1,038,740.80 is: 1,558,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,083.07 : 4,288,675.86 = 1,038,740.80 : x
  2. Step 2: Convert to fraction form
    2,859,083.07/4,288,675.86 = 1,038,740.80/x
  3. Step 3: Cross multiply
    2,859,083.07x = 4,288,675.86 × 1,038,740.80
  4. Step 4: Simplify right side
    2,859,083.07x = 4,454,822,573,612.14
  5. Step 5: Solve for x
    x = 4,454,822,573,612.14/2,859,083.07
  6. Step 6: Final answer
    x = 1,558,129.82

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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.