Home / 5,289,909.70-7,300,080.09-2,875,461.70

Finding the Fourth Proportional to 5,289,909.70, 7,300,080.09 and 2,875,461.70

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Solution

The fourth proportional to 5,289,909.70, 7,300,080.09 and 2,875,461.70 is: 3,968,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,909.70 : 7,300,080.09 = 2,875,461.70 : x
  2. Step 2: Convert to fraction form
    5,289,909.70/7,300,080.09 = 2,875,461.70/x
  3. Step 3: Cross multiply
    5,289,909.70x = 7,300,080.09 × 2,875,461.70
  4. Step 4: Simplify right side
    5,289,909.70x = 20,991,100,705,727.55
  5. Step 5: Solve for x
    x = 20,991,100,705,727.55/5,289,909.70
  6. Step 6: Final answer
    x = 3,968,139.70

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1.5x scale

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.