Home / 1,885,721.12-2,602,245.52-1,026,263.20

Finding the Fourth Proportional to 1,885,721.12, 2,602,245.52 and 1,026,263.20

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Solution

The fourth proportional to 1,885,721.12, 2,602,245.52 and 1,026,263.20 is: 1,416,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,721.12 : 2,602,245.52 = 1,026,263.20 : x
  2. Step 2: Convert to fraction form
    1,885,721.12/2,602,245.52 = 1,026,263.20/x
  3. Step 3: Cross multiply
    1,885,721.12x = 2,602,245.52 × 1,026,263.20
  4. Step 4: Simplify right side
    1,885,721.12x = 2,670,588,814,540.86
  5. Step 5: Solve for x
    x = 2,670,588,814,540.86/1,885,721.12
  6. Step 6: Final answer
    x = 1,416,216.21

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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.