Home / 2,989,764.90-4,484,647.35-2,192,603.40

Finding the Fourth Proportional to 2,989,764.90, 4,484,647.35 and 2,192,603.40

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Solution

The fourth proportional to 2,989,764.90, 4,484,647.35 and 2,192,603.40 is: 3,288,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,764.90 : 4,484,647.35 = 2,192,603.40 : x
  2. Step 2: Convert to fraction form
    2,989,764.90/4,484,647.35 = 2,192,603.40/x
  3. Step 3: Cross multiply
    2,989,764.90x = 4,484,647.35 × 2,192,603.40
  4. Step 4: Simplify right side
    2,989,764.90x = 9,833,053,027,410.99
  5. Step 5: Solve for x
    x = 9,833,053,027,410.99/2,989,764.90
  6. Step 6: Final answer
    x = 3,288,905.10

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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.