Home / 5,260,012.40-7,890,277.80-2,740,588.40

Finding the Fourth Proportional to 5,260,012.40, 7,890,277.80 and 2,740,588.40

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Solution

The fourth proportional to 5,260,012.40, 7,890,277.80 and 2,740,588.40 is: 4,111,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,012.40 : 7,890,277.80 = 2,740,588.40 : x
  2. Step 2: Convert to fraction form
    5,260,012.40/7,890,277.80 = 2,740,588.40/x
  3. Step 3: Cross multiply
    5,260,012.40x = 7,890,277.80 × 2,740,588.40
  4. Step 4: Simplify right side
    5,260,012.40x = 21,624,003,811,457.52
  5. Step 5: Solve for x
    x = 21,624,003,811,457.52/5,260,012.40
  6. Step 6: Final answer
    x = 4,111,017.65

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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.