Home / 6,390,080.78-8,818,303.75-3,777,526.42

Finding the Fourth Proportional to 6,390,080.78, 8,818,303.75 and 3,777,526.42

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Solution

The fourth proportional to 6,390,080.78, 8,818,303.75 and 3,777,526.42 is: 5,212,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,080.78 : 8,818,303.75 = 3,777,526.42 : x
  2. Step 2: Convert to fraction form
    6,390,080.78/8,818,303.75 = 3,777,526.42/x
  3. Step 3: Cross multiply
    6,390,080.78x = 8,818,303.75 × 3,777,526.42
  4. Step 4: Simplify right side
    6,390,080.78x = 33,311,375,395,210.07
  5. Step 5: Solve for x
    x = 33,311,375,395,210.07/6,390,080.78
  6. Step 6: Final answer
    x = 5,212,981.89

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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.