Home / 1,993,813.40-2,990,720.10-1,154,005.40

Finding the Fourth Proportional to 1,993,813.40, 2,990,720.10 and 1,154,005.40

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Solution

The fourth proportional to 1,993,813.40, 2,990,720.10 and 1,154,005.40 is: 1,731,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,813.40 : 2,990,720.10 = 1,154,005.40 : x
  2. Step 2: Convert to fraction form
    1,993,813.40/2,990,720.10 = 1,154,005.40/x
  3. Step 3: Cross multiply
    1,993,813.40x = 2,990,720.10 × 1,154,005.40
  4. Step 4: Simplify right side
    1,993,813.40x = 3,451,307,145,288.54
  5. Step 5: Solve for x
    x = 3,451,307,145,288.54/1,993,813.40
  6. Step 6: Final answer
    x = 1,731,008.10

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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.