Home / 3,038,746.54-4,194,761.44-1,893,392.78

Finding the Fourth Proportional to 3,038,746.54, 4,194,761.44 and 1,893,392.78

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Solution

The fourth proportional to 3,038,746.54, 4,194,761.44 and 1,893,392.78 is: 2,613,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,746.54 : 4,194,761.44 = 1,893,392.78 : x
  2. Step 2: Convert to fraction form
    3,038,746.54/4,194,761.44 = 1,893,392.78/x
  3. Step 3: Cross multiply
    3,038,746.54x = 4,194,761.44 × 1,893,392.78
  4. Step 4: Simplify right side
    3,038,746.54x = 7,942,331,024,318.40
  5. Step 5: Solve for x
    x = 7,942,331,024,318.40/3,038,746.54
  6. Step 6: Final answer
    x = 2,613,686.57

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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.