Home / 2,379,047.54-3,283,088.80-1,291,319.32

Finding the Fourth Proportional to 2,379,047.54, 3,283,088.80 and 1,291,319.32

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Solution

The fourth proportional to 2,379,047.54, 3,283,088.80 and 1,291,319.32 is: 1,782,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,047.54 : 3,283,088.80 = 1,291,319.32 : x
  2. Step 2: Convert to fraction form
    2,379,047.54/3,283,088.80 = 1,291,319.32/x
  3. Step 3: Cross multiply
    2,379,047.54x = 3,283,088.80 × 1,291,319.32
  4. Step 4: Simplify right side
    2,379,047.54x = 4,239,515,996,715.62
  5. Step 5: Solve for x
    x = 4,239,515,996,715.62/2,379,047.54
  6. Step 6: Final answer
    x = 1,782,022.40

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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.