Home / 5,130,804.80-7,080,511.30-2,807,697.80

Finding the Fourth Proportional to 5,130,804.80, 7,080,511.30 and 2,807,697.80

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Solution

The fourth proportional to 5,130,804.80, 7,080,511.30 and 2,807,697.80 is: 3,874,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,804.80 : 7,080,511.30 = 2,807,697.80 : x
  2. Step 2: Convert to fraction form
    5,130,804.80/7,080,511.30 = 2,807,697.80/x
  3. Step 3: Cross multiply
    5,130,804.80x = 7,080,511.30 × 2,807,697.80
  4. Step 4: Simplify right side
    5,130,804.80x = 19,879,935,999,885.14
  5. Step 5: Solve for x
    x = 19,879,935,999,885.14/5,130,804.80
  6. Step 6: Final answer
    x = 3,874,623.33

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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.