Home / 2,111,186.32-2,913,748.40-1,336,887.86

Finding the Fourth Proportional to 2,111,186.32, 2,913,748.40 and 1,336,887.86

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Solution

The fourth proportional to 2,111,186.32, 2,913,748.40 and 1,336,887.86 is: 1,845,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,186.32 : 2,913,748.40 = 1,336,887.86 : x
  2. Step 2: Convert to fraction form
    2,111,186.32/2,913,748.40 = 1,336,887.86/x
  3. Step 3: Cross multiply
    2,111,186.32x = 2,913,748.40 × 1,336,887.86
  4. Step 4: Simplify right side
    2,111,186.32x = 3,895,354,851,827.90
  5. Step 5: Solve for x
    x = 3,895,354,851,827.90/2,111,186.32
  6. Step 6: Final answer
    x = 1,845,102.36

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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.