Home / 2,567,827.47-3,543,599.70-1,421,907.78

Finding the Fourth Proportional to 2,567,827.47, 3,543,599.70 and 1,421,907.78

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Solution

The fourth proportional to 2,567,827.47, 3,543,599.70 and 1,421,907.78 is: 1,962,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,827.47 : 3,543,599.70 = 1,421,907.78 : x
  2. Step 2: Convert to fraction form
    2,567,827.47/3,543,599.70 = 1,421,907.78/x
  3. Step 3: Cross multiply
    2,567,827.47x = 3,543,599.70 × 1,421,907.78
  4. Step 4: Simplify right side
    2,567,827.47x = 5,038,671,982,635.67
  5. Step 5: Solve for x
    x = 5,038,671,982,635.67/2,567,827.47
  6. Step 6: Final answer
    x = 1,962,231.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.