Home / 2,281,071.78-3,148,580.16-1,314,847.89

Finding the Fourth Proportional to 2,281,071.78, 3,148,580.16 and 1,314,847.89

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Solution

The fourth proportional to 2,281,071.78, 3,148,580.16 and 1,314,847.89 is: 1,814,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,071.78 : 3,148,580.16 = 1,314,847.89 : x
  2. Step 2: Convert to fraction form
    2,281,071.78/3,148,580.16 = 1,314,847.89/x
  3. Step 3: Cross multiply
    2,281,071.78x = 3,148,580.16 × 1,314,847.89
  4. Step 4: Simplify right side
    2,281,071.78x = 4,139,903,979,871.86
  5. Step 5: Solve for x
    x = 4,139,903,979,871.86/2,281,071.78
  6. Step 6: Final answer
    x = 1,814,894.22

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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.