Home / 4,009,986.96-6,012,989.72-1,277,178

Finding the Fourth Proportional to 4,009,986.96, 6,012,989.72 and 1,277,178

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Solution

The fourth proportional to 4,009,986.96, 6,012,989.72 and 1,277,178 is: 1,915,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,986.96 : 6,012,989.72 = 1,277,178 : x
  2. Step 2: Convert to fraction form
    4,009,986.96/6,012,989.72 = 1,277,178/x
  3. Step 3: Cross multiply
    4,009,986.96x = 6,012,989.72 × 1,277,178
  4. Step 4: Simplify right side
    4,009,986.96x = 7,679,658,184,610.16
  5. Step 5: Solve for x
    x = 7,679,658,184,610.16/4,009,986.96
  6. Step 6: Final answer
    x = 1,915,132.96

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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.