Home / 1,885,645.85-2,602,141.40-1,026,187.65

Finding the Fourth Proportional to 1,885,645.85, 2,602,141.40 and 1,026,187.65

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Solution

The fourth proportional to 1,885,645.85, 2,602,141.40 and 1,026,187.65 is: 1,416,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,645.85 : 2,602,141.40 = 1,026,187.65 : x
  2. Step 2: Convert to fraction form
    1,885,645.85/2,602,141.40 = 1,026,187.65/x
  3. Step 3: Cross multiply
    1,885,645.85x = 2,602,141.40 × 1,026,187.65
  4. Step 4: Simplify right side
    1,885,645.85x = 2,670,285,370,799.18
  5. Step 5: Solve for x
    x = 2,670,285,370,799.18/1,885,645.85
  6. Step 6: Final answer
    x = 1,416,111.82

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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.