Home / 2,811,783.20-4,217,674.80-2,681,146.40

Finding the Fourth Proportional to 2,811,783.20, 4,217,674.80 and 2,681,146.40

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Solution

The fourth proportional to 2,811,783.20, 4,217,674.80 and 2,681,146.40 is: 4,021,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,783.20 : 4,217,674.80 = 2,681,146.40 : x
  2. Step 2: Convert to fraction form
    2,811,783.20/4,217,674.80 = 2,681,146.40/x
  3. Step 3: Cross multiply
    2,811,783.20x = 4,217,674.80 × 2,681,146.40
  4. Step 4: Simplify right side
    2,811,783.20x = 11,308,203,606,390.72
  5. Step 5: Solve for x
    x = 11,308,203,606,390.72/2,811,783.20
  6. Step 6: Final answer
    x = 4,021,719.60

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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.