Home / 1,510,828.96-2,085,094.58-1,128,191.44

Finding the Fourth Proportional to 1,510,828.96, 2,085,094.58 and 1,128,191.44

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Solution

The fourth proportional to 1,510,828.96, 2,085,094.58 and 1,128,191.44 is: 1,557,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,828.96 : 2,085,094.58 = 1,128,191.44 : x
  2. Step 2: Convert to fraction form
    1,510,828.96/2,085,094.58 = 1,128,191.44/x
  3. Step 3: Cross multiply
    1,510,828.96x = 2,085,094.58 × 1,128,191.44
  4. Step 4: Simplify right side
    1,510,828.96x = 2,352,385,856,746.40
  5. Step 5: Solve for x
    x = 2,352,385,856,746.40/1,510,828.96
  6. Step 6: Final answer
    x = 1,557,016.66

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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.