Home / 3,139,573.40-4,709,705.70-1,145,461.40

Finding the Fourth Proportional to 3,139,573.40, 4,709,705.70 and 1,145,461.40

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Solution

The fourth proportional to 3,139,573.40, 4,709,705.70 and 1,145,461.40 is: 1,718,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,573.40 : 4,709,705.70 = 1,145,461.40 : x
  2. Step 2: Convert to fraction form
    3,139,573.40/4,709,705.70 = 1,145,461.40/x
  3. Step 3: Cross multiply
    3,139,573.40x = 4,709,705.70 × 1,145,461.40
  4. Step 4: Simplify right side
    3,139,573.40x = 5,394,786,084,709.98
  5. Step 5: Solve for x
    x = 5,394,786,084,709.98/3,139,573.40
  6. Step 6: Final answer
    x = 1,718,318.19

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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.