Home / 2,768,477.10-4,152,715.65-2,021,981.10

Finding the Fourth Proportional to 2,768,477.10, 4,152,715.65 and 2,021,981.10

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Solution

The fourth proportional to 2,768,477.10, 4,152,715.65 and 2,021,981.10 is: 3,032,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,477.10 : 4,152,715.65 = 2,021,981.10 : x
  2. Step 2: Convert to fraction form
    2,768,477.10/4,152,715.65 = 2,021,981.10/x
  3. Step 3: Cross multiply
    2,768,477.10x = 4,152,715.65 × 2,021,981.10
  4. Step 4: Simplify right side
    2,768,477.10x = 8,396,712,557,974.22
  5. Step 5: Solve for x
    x = 8,396,712,557,974.22/2,768,477.10
  6. Step 6: Final answer
    x = 3,032,971.65

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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.