Home / 5,289,931.20-7,300,109.76-2,875,483.20

Finding the Fourth Proportional to 5,289,931.20, 7,300,109.76 and 2,875,483.20

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Solution

The fourth proportional to 5,289,931.20, 7,300,109.76 and 2,875,483.20 is: 3,968,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,931.20 : 7,300,109.76 = 2,875,483.20 : x
  2. Step 2: Convert to fraction form
    5,289,931.20/7,300,109.76 = 2,875,483.20/x
  3. Step 3: Cross multiply
    5,289,931.20x = 7,300,109.76 × 2,875,483.20
  4. Step 4: Simplify right side
    5,289,931.20x = 20,991,342,973,036.03
  5. Step 5: Solve for x
    x = 20,991,342,973,036.03/5,289,931.20
  6. Step 6: Final answer
    x = 3,968,169.37

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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.