Home / 1,877,657.32-2,591,167.79-1,018,217.35

Finding the Fourth Proportional to 1,877,657.32, 2,591,167.79 and 1,018,217.35

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Solution

The fourth proportional to 1,877,657.32, 2,591,167.79 and 1,018,217.35 is: 1,405,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,657.32 : 2,591,167.79 = 1,018,217.35 : x
  2. Step 2: Convert to fraction form
    1,877,657.32/2,591,167.79 = 1,018,217.35/x
  3. Step 3: Cross multiply
    1,877,657.32x = 2,591,167.79 × 1,018,217.35
  4. Step 4: Simplify right side
    1,877,657.32x = 2,638,371,988,970.15
  5. Step 5: Solve for x
    x = 2,638,371,988,970.15/1,877,657.32
  6. Step 6: Final answer
    x = 1,405,140.31

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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.