Home / 4,860,985.20-7,291,477.80-3,442,642.80

Finding the Fourth Proportional to 4,860,985.20, 7,291,477.80 and 3,442,642.80

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Solution

The fourth proportional to 4,860,985.20, 7,291,477.80 and 3,442,642.80 is: 5,163,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,985.20 : 7,291,477.80 = 3,442,642.80 : x
  2. Step 2: Convert to fraction form
    4,860,985.20/7,291,477.80 = 3,442,642.80/x
  3. Step 3: Cross multiply
    4,860,985.20x = 7,291,477.80 × 3,442,642.80
  4. Step 4: Simplify right side
    4,860,985.20x = 25,101,953,549,529.84
  5. Step 5: Solve for x
    x = 25,101,953,549,529.84/4,860,985.20
  6. Step 6: Final answer
    x = 5,163,964.20

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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.