Home / 3,615,421.01-4,989,596.64-1,984,143.20

Finding the Fourth Proportional to 3,615,421.01, 4,989,596.64 and 1,984,143.20

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Solution

The fourth proportional to 3,615,421.01, 4,989,596.64 and 1,984,143.20 is: 2,738,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,421.01 : 4,989,596.64 = 1,984,143.20 : x
  2. Step 2: Convert to fraction form
    3,615,421.01/4,989,596.64 = 1,984,143.20/x
  3. Step 3: Cross multiply
    3,615,421.01x = 4,989,596.64 × 1,984,143.20
  4. Step 4: Simplify right side
    3,615,421.01x = 9,900,074,243,998.85
  5. Step 5: Solve for x
    x = 9,900,074,243,998.85/3,615,421.01
  6. Step 6: Final answer
    x = 2,738,290.84

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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.