Home / 3,390,509.88-4,678,969.86-1,862,674.92

Finding the Fourth Proportional to 3,390,509.88, 4,678,969.86 and 1,862,674.92

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Solution

The fourth proportional to 3,390,509.88, 4,678,969.86 and 1,862,674.92 is: 2,570,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,509.88 : 4,678,969.86 = 1,862,674.92 : x
  2. Step 2: Convert to fraction form
    3,390,509.88/4,678,969.86 = 1,862,674.92/x
  3. Step 3: Cross multiply
    3,390,509.88x = 4,678,969.86 × 1,862,674.92
  4. Step 4: Simplify right side
    3,390,509.88x = 8,715,399,809,657.91
  5. Step 5: Solve for x
    x = 8,715,399,809,657.91/3,390,509.88
  6. Step 6: Final answer
    x = 2,570,527.77

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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.