Home / 6,237,704.40-9,355,681.80-1,978,303.20

Finding the Fourth Proportional to 6,237,704.40, 9,355,681.80 and 1,978,303.20

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Solution

The fourth proportional to 6,237,704.40, 9,355,681.80 and 1,978,303.20 is: 2,967,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237,704.40 : 9,355,681.80 = 1,978,303.20 : x
  2. Step 2: Convert to fraction form
    6,237,704.40/9,355,681.80 = 1,978,303.20/x
  3. Step 3: Cross multiply
    6,237,704.40x = 9,355,681.80 × 1,978,303.20
  4. Step 4: Simplify right side
    6,237,704.40x = 18,508,375,243,121.76
  5. Step 5: Solve for x
    x = 18,508,375,243,121.76/6,237,704.40
  6. Step 6: Final answer
    x = 2,967,177.36

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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.