Home / 1,918,747.86-2,879,930.16-1,411,763.04

Finding the Fourth Proportional to 1,918,747.86, 2,879,930.16 and 1,411,763.04

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Solution

The fourth proportional to 1,918,747.86, 2,879,930.16 and 1,411,763.04 is: 2,118,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,747.86 : 2,879,930.16 = 1,411,763.04 : x
  2. Step 2: Convert to fraction form
    1,918,747.86/2,879,930.16 = 1,411,763.04/x
  3. Step 3: Cross multiply
    1,918,747.86x = 2,879,930.16 × 1,411,763.04
  4. Step 4: Simplify right side
    1,918,747.86x = 4,065,778,957,669.29
  5. Step 5: Solve for x
    x = 4,065,778,957,669.29/1,918,747.86
  6. Step 6: Final answer
    x = 2,118,975.11

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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.