Home / 1,611,564.60-2,414,430.90-1,276,807.80

Finding the Fourth Proportional to 1,611,564.60, 2,414,430.90 and 1,276,807.80

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Solution

The fourth proportional to 1,611,564.60, 2,414,430.90 and 1,276,807.80 is: 1,912,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,564.60 : 2,414,430.90 = 1,276,807.80 : x
  2. Step 2: Convert to fraction form
    1,611,564.60/2,414,430.90 = 1,276,807.80/x
  3. Step 3: Cross multiply
    1,611,564.60x = 2,414,430.90 × 1,276,807.80
  4. Step 4: Simplify right side
    1,611,564.60x = 3,082,764,205,681.02
  5. Step 5: Solve for x
    x = 3,082,764,205,681.02/1,611,564.60
  6. Step 6: Final answer
    x = 1,912,901.42

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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.