Home / 5,101,955.79-7,040,698.74-2,810,116.59

Finding the Fourth Proportional to 5,101,955.79, 7,040,698.74 and 2,810,116.59

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Solution

The fourth proportional to 5,101,955.79, 7,040,698.74 and 2,810,116.59 is: 3,877,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,955.79 : 7,040,698.74 = 2,810,116.59 : x
  2. Step 2: Convert to fraction form
    5,101,955.79/7,040,698.74 = 2,810,116.59/x
  3. Step 3: Cross multiply
    5,101,955.79x = 7,040,698.74 × 2,810,116.59
  4. Step 4: Simplify right side
    5,101,955.79x = 19,785,184,334,466.10
  5. Step 5: Solve for x
    x = 19,785,184,334,466.10/5,101,955.79
  6. Step 6: Final answer
    x = 3,877,960.76

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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.