Home / 3,408,477.36-5,113,415.40-1,386,715.92

Finding the Fourth Proportional to 3,408,477.36, 5,113,415.40 and 1,386,715.92

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Solution

The fourth proportional to 3,408,477.36, 5,113,415.40 and 1,386,715.92 is: 2,080,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,477.36 : 5,113,415.40 = 1,386,715.92 : x
  2. Step 2: Convert to fraction form
    3,408,477.36/5,113,415.40 = 1,386,715.92/x
  3. Step 3: Cross multiply
    3,408,477.36x = 5,113,415.40 × 1,386,715.92
  4. Step 4: Simplify right side
    3,408,477.36x = 7,090,854,540,753.17
  5. Step 5: Solve for x
    x = 7,090,854,540,753.17/3,408,477.36
  6. Step 6: Final answer
    x = 2,080,358.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.