Home / 5,211,261.38-7,191,541.39-2,888,303.87

Finding the Fourth Proportional to 5,211,261.38, 7,191,541.39 and 2,888,303.87

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Solution

The fourth proportional to 5,211,261.38, 7,191,541.39 and 2,888,303.87 is: 3,985,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,261.38 : 7,191,541.39 = 2,888,303.87 : x
  2. Step 2: Convert to fraction form
    5,211,261.38/7,191,541.39 = 2,888,303.87/x
  3. Step 3: Cross multiply
    5,211,261.38x = 7,191,541.39 × 2,888,303.87
  4. Step 4: Simplify right side
    5,211,261.38x = 20,771,356,828,002.18
  5. Step 5: Solve for x
    x = 20,771,356,828,002.18/5,211,261.38
  6. Step 6: Final answer
    x = 3,985,859.72

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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.