Home / 2,519,823.70-3,776,783.10-1,887,999.40

Finding the Fourth Proportional to 2,519,823.70, 3,776,783.10 and 1,887,999.40

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Solution

The fourth proportional to 2,519,823.70, 3,776,783.10 and 1,887,999.40 is: 2,829,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,823.70 : 3,776,783.10 = 1,887,999.40 : x
  2. Step 2: Convert to fraction form
    2,519,823.70/3,776,783.10 = 1,887,999.40/x
  3. Step 3: Cross multiply
    2,519,823.70x = 3,776,783.10 × 1,887,999.40
  4. Step 4: Simplify right side
    2,519,823.70x = 7,130,564,226,730.14
  5. Step 5: Solve for x
    x = 7,130,564,226,730.14/2,519,823.70
  6. Step 6: Final answer
    x = 2,829,786.95

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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.