Home / 3,276,408.16-4,521,670.36-1,987,302.88

Finding the Fourth Proportional to 3,276,408.16, 4,521,670.36 and 1,987,302.88

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Solution

The fourth proportional to 3,276,408.16, 4,521,670.36 and 1,987,302.88 is: 2,742,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,408.16 : 4,521,670.36 = 1,987,302.88 : x
  2. Step 2: Convert to fraction form
    3,276,408.16/4,521,670.36 = 1,987,302.88/x
  3. Step 3: Cross multiply
    3,276,408.16x = 4,521,670.36 × 1,987,302.88
  4. Step 4: Simplify right side
    3,276,408.16x = 8,985,928,528,838.64
  5. Step 5: Solve for x
    x = 8,985,928,528,838.64/3,276,408.16
  6. Step 6: Final answer
    x = 2,742,615.72

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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.