Home / 4,749,871.80-7,124,807.70-1,384,188.60

Finding the Fourth Proportional to 4,749,871.80, 7,124,807.70 and 1,384,188.60

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Solution

The fourth proportional to 4,749,871.80, 7,124,807.70 and 1,384,188.60 is: 2,076,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,871.80 : 7,124,807.70 = 1,384,188.60 : x
  2. Step 2: Convert to fraction form
    4,749,871.80/7,124,807.70 = 1,384,188.60/x
  3. Step 3: Cross multiply
    4,749,871.80x = 7,124,807.70 × 1,384,188.60
  4. Step 4: Simplify right side
    4,749,871.80x = 9,862,077,595,532.22
  5. Step 5: Solve for x
    x = 9,862,077,595,532.22/4,749,871.80
  6. Step 6: Final answer
    x = 2,076,282.90

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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.