Home / 4,590,623.10-6,878,061.45-2,189,297.10

Finding the Fourth Proportional to 4,590,623.10, 6,878,061.45 and 2,189,297.10

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Solution

The fourth proportional to 4,590,623.10, 6,878,061.45 and 2,189,297.10 is: 3,280,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590,623.10 : 6,878,061.45 = 2,189,297.10 : x
  2. Step 2: Convert to fraction form
    4,590,623.10/6,878,061.45 = 2,189,297.10/x
  3. Step 3: Cross multiply
    4,590,623.10x = 6,878,061.45 × 2,189,297.10
  4. Step 4: Simplify right side
    4,590,623.10x = 15,058,119,986,106.80
  5. Step 5: Solve for x
    x = 15,058,119,986,106.80/4,590,623.10
  6. Step 6: Final answer
    x = 3,280,190.87

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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.