Home / 2,579,101.80-3,868,652.70-1,983,071.40

Finding the Fourth Proportional to 2,579,101.80, 3,868,652.70 and 1,983,071.40

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Solution

The fourth proportional to 2,579,101.80, 3,868,652.70 and 1,983,071.40 is: 2,974,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,101.80 : 3,868,652.70 = 1,983,071.40 : x
  2. Step 2: Convert to fraction form
    2,579,101.80/3,868,652.70 = 1,983,071.40/x
  3. Step 3: Cross multiply
    2,579,101.80x = 3,868,652.70 × 1,983,071.40
  4. Step 4: Simplify right side
    2,579,101.80x = 7,671,814,525,902.78
  5. Step 5: Solve for x
    x = 7,671,814,525,902.78/2,579,101.80
  6. Step 6: Final answer
    x = 2,974,607.10

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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.