Home / 6,919,258.70-10,379,878.54-2,127,350.28

Finding the Fourth Proportional to 6,919,258.70, 10,379,878.54 and 2,127,350.28

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Solution

The fourth proportional to 6,919,258.70, 10,379,878.54 and 2,127,350.28 is: 3,191,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,258.70 : 10,379,878.54 = 2,127,350.28 : x
  2. Step 2: Convert to fraction form
    6,919,258.70/10,379,878.54 = 2,127,350.28/x
  3. Step 3: Cross multiply
    6,919,258.70x = 10,379,878.54 × 2,127,350.28
  4. Step 4: Simplify right side
    6,919,258.70x = 22,081,637,518,434.99
  5. Step 5: Solve for x
    x = 22,081,637,518,434.99/6,919,258.70
  6. Step 6: Final answer
    x = 3,191,329.95

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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.