Home / 3,708,885.90-5,117,100.40-2,077,072.86

Finding the Fourth Proportional to 3,708,885.90, 5,117,100.40 and 2,077,072.86

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Solution

The fourth proportional to 3,708,885.90, 5,117,100.40 and 2,077,072.86 is: 2,865,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708,885.90 : 5,117,100.40 = 2,077,072.86 : x
  2. Step 2: Convert to fraction form
    3,708,885.90/5,117,100.40 = 2,077,072.86/x
  3. Step 3: Cross multiply
    3,708,885.90x = 5,117,100.40 × 2,077,072.86
  4. Step 4: Simplify right side
    3,708,885.90x = 10,628,590,362,735.14
  5. Step 5: Solve for x
    x = 10,628,590,362,735.14/3,708,885.90
  6. Step 6: Final answer
    x = 2,865,709.72

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1.5x scale

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.