Home / 2,470,420.80-3,408,403.56-1,382,519.52

Finding the Fourth Proportional to 2,470,420.80, 3,408,403.56 and 1,382,519.52

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Solution

The fourth proportional to 2,470,420.80, 3,408,403.56 and 1,382,519.52 is: 1,907,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,420.80 : 3,408,403.56 = 1,382,519.52 : x
  2. Step 2: Convert to fraction form
    2,470,420.80/3,408,403.56 = 1,382,519.52/x
  3. Step 3: Cross multiply
    2,470,420.80x = 3,408,403.56 × 1,382,519.52
  4. Step 4: Simplify right side
    2,470,420.80x = 4,712,184,453,737.49
  5. Step 5: Solve for x
    x = 4,712,184,453,737.49/2,470,420.80
  6. Step 6: Final answer
    x = 1,907,442.03

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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.