Home / 2,911,808.54-4,018,325.02-1,605,107

Finding the Fourth Proportional to 2,911,808.54, 4,018,325.02 and 1,605,107

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Solution

The fourth proportional to 2,911,808.54, 4,018,325.02 and 1,605,107 is: 2,215,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,808.54 : 4,018,325.02 = 1,605,107 : x
  2. Step 2: Convert to fraction form
    2,911,808.54/4,018,325.02 = 1,605,107/x
  3. Step 3: Cross multiply
    2,911,808.54x = 4,018,325.02 × 1,605,107
  4. Step 4: Simplify right side
    2,911,808.54x = 6,449,841,617,877.14
  5. Step 5: Solve for x
    x = 6,449,841,617,877.14/2,911,808.54
  6. Step 6: Final answer
    x = 2,215,063.78

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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.