Home / 5,009,438.81-7,509,483.48-1,976,829.78

Finding the Fourth Proportional to 5,009,438.81, 7,509,483.48 and 1,976,829.78

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Solution

The fourth proportional to 5,009,438.81, 7,509,483.48 and 1,976,829.78 is: 2,963,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009,438.81 : 7,509,483.48 = 1,976,829.78 : x
  2. Step 2: Convert to fraction form
    5,009,438.81/7,509,483.48 = 1,976,829.78/x
  3. Step 3: Cross multiply
    5,009,438.81x = 7,509,483.48 × 1,976,829.78
  4. Step 4: Simplify right side
    5,009,438.81x = 14,844,970,575,682.04
  5. Step 5: Solve for x
    x = 14,844,970,575,682.04/5,009,438.81
  6. Step 6: Final answer
    x = 2,963,399.92

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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.