Home / 4,590,614.60-6,878,048.70-2,189,288.60

Finding the Fourth Proportional to 4,590,614.60, 6,878,048.70 and 2,189,288.60

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Solution

The fourth proportional to 4,590,614.60, 6,878,048.70 and 2,189,288.60 is: 3,280,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590,614.60 : 6,878,048.70 = 2,189,288.60 : x
  2. Step 2: Convert to fraction form
    4,590,614.60/6,878,048.70 = 2,189,288.60/x
  3. Step 3: Cross multiply
    4,590,614.60x = 6,878,048.70 × 2,189,288.60
  4. Step 4: Simplify right side
    4,590,614.60x = 15,058,033,609,154.82
  5. Step 5: Solve for x
    x = 15,058,033,609,154.82/4,590,614.60
  6. Step 6: Final answer
    x = 3,280,178.13

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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.