Home / 2,606,105.80-3,909,158.70-713,038.60

Finding the Fourth Proportional to 2,606,105.80, 3,909,158.70 and 713,038.60

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Solution

The fourth proportional to 2,606,105.80, 3,909,158.70 and 713,038.60 is: 1,069,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,105.80 : 3,909,158.70 = 713,038.60 : x
  2. Step 2: Convert to fraction form
    2,606,105.80/3,909,158.70 = 713,038.60/x
  3. Step 3: Cross multiply
    2,606,105.80x = 3,909,158.70 × 713,038.60
  4. Step 4: Simplify right side
    2,606,105.80x = 2,787,381,046,625.82
  5. Step 5: Solve for x
    x = 2,787,381,046,625.82/2,606,105.80
  6. Step 6: Final answer
    x = 1,069,557.90

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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.