Home / 2,047,430.40-3,073,672.80-1,289,270.40

Finding the Fourth Proportional to 2,047,430.40, 3,073,672.80 and 1,289,270.40

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Solution

The fourth proportional to 2,047,430.40, 3,073,672.80 and 1,289,270.40 is: 1,935,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,430.40 : 3,073,672.80 = 1,289,270.40 : x
  2. Step 2: Convert to fraction form
    2,047,430.40/3,073,672.80 = 1,289,270.40/x
  3. Step 3: Cross multiply
    2,047,430.40x = 3,073,672.80 × 1,289,270.40
  4. Step 4: Simplify right side
    2,047,430.40x = 3,962,795,360,325.12
  5. Step 5: Solve for x
    x = 3,962,795,360,325.12/2,047,430.40
  6. Step 6: Final answer
    x = 1,935,496.98

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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.