Home / 1,877,886.39-2,591,245.56-1,113,790.71

Finding the Fourth Proportional to 1,877,886.39, 2,591,245.56 and 1,113,790.71

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Solution

The fourth proportional to 1,877,886.39, 2,591,245.56 and 1,113,790.71 is: 1,536,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,886.39 : 2,591,245.56 = 1,113,790.71 : x
  2. Step 2: Convert to fraction form
    1,877,886.39/2,591,245.56 = 1,113,790.71/x
  3. Step 3: Cross multiply
    1,877,886.39x = 2,591,245.56 × 1,113,790.71
  4. Step 4: Simplify right side
    1,877,886.39x = 2,886,105,232,056.75
  5. Step 5: Solve for x
    x = 2,886,105,232,056.75/1,877,886.39
  6. Step 6: Final answer
    x = 1,536,890.22

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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.