Home / 5,130,786.49-7,080,485.91-2,807,679.50

Finding the Fourth Proportional to 5,130,786.49, 7,080,485.91 and 2,807,679.50

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Solution

The fourth proportional to 5,130,786.49, 7,080,485.91 and 2,807,679.50 is: 3,874,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,786.49 : 7,080,485.91 = 2,807,679.50 : x
  2. Step 2: Convert to fraction form
    5,130,786.49/7,080,485.91 = 2,807,679.50/x
  3. Step 3: Cross multiply
    5,130,786.49x = 7,080,485.91 × 2,807,679.50
  4. Step 4: Simplify right side
    5,130,786.49x = 19,879,735,139,545.84
  5. Step 5: Solve for x
    x = 19,879,735,139,545.84/5,130,786.49
  6. Step 6: Final answer
    x = 3,874,598.01

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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.