Home / 3,920,307.01-5,410,087.37-2,178,088.81

Finding the Fourth Proportional to 3,920,307.01, 5,410,087.37 and 2,178,088.81

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Solution

The fourth proportional to 3,920,307.01, 5,410,087.37 and 2,178,088.81 is: 3,005,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,307.01 : 5,410,087.37 = 2,178,088.81 : x
  2. Step 2: Convert to fraction form
    3,920,307.01/5,410,087.37 = 2,178,088.81/x
  3. Step 3: Cross multiply
    3,920,307.01x = 5,410,087.37 × 2,178,088.81
  4. Step 4: Simplify right side
    3,920,307.01x = 11,783,650,750,828.89
  5. Step 5: Solve for x
    x = 11,783,650,750,828.89/3,920,307.01
  6. Step 6: Final answer
    x = 3,005,797.94

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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.