Home / 3,325,485.19-4,590,417.46-2,179,639.34

Finding the Fourth Proportional to 3,325,485.19, 4,590,417.46 and 2,179,639.34

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Solution

The fourth proportional to 3,325,485.19, 4,590,417.46 and 2,179,639.34 is: 3,008,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325,485.19 : 4,590,417.46 = 2,179,639.34 : x
  2. Step 2: Convert to fraction form
    3,325,485.19/4,590,417.46 = 2,179,639.34/x
  3. Step 3: Cross multiply
    3,325,485.19x = 4,590,417.46 × 2,179,639.34
  4. Step 4: Simplify right side
    3,325,485.19x = 10,005,454,477,389.78
  5. Step 5: Solve for x
    x = 10,005,454,477,389.78/3,325,485.19
  6. Step 6: Final answer
    x = 3,008,720.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.