Home / 3,184,045.10-4,386,509.07-2,215,509.74

Finding the Fourth Proportional to 3,184,045.10, 4,386,509.07 and 2,215,509.74

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Solution

The fourth proportional to 3,184,045.10, 4,386,509.07 and 2,215,509.74 is: 3,052,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184,045.10 : 4,386,509.07 = 2,215,509.74 : x
  2. Step 2: Convert to fraction form
    3,184,045.10/4,386,509.07 = 2,215,509.74/x
  3. Step 3: Cross multiply
    3,184,045.10x = 4,386,509.07 × 2,215,509.74
  4. Step 4: Simplify right side
    3,184,045.10x = 9,718,353,569,183.34
  5. Step 5: Solve for x
    x = 9,718,353,569,183.34/3,184,045.10
  6. Step 6: Final answer
    x = 3,052,203.49

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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.