Home / 4,014,371.40-5,539,684.35-2,178,790.28

Finding the Fourth Proportional to 4,014,371.40, 5,539,684.35 and 2,178,790.28

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Solution

The fourth proportional to 4,014,371.40, 5,539,684.35 and 2,178,790.28 is: 3,006,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014,371.40 : 5,539,684.35 = 2,178,790.28 : x
  2. Step 2: Convert to fraction form
    4,014,371.40/5,539,684.35 = 2,178,790.28/x
  3. Step 3: Cross multiply
    4,014,371.40x = 5,539,684.35 × 2,178,790.28
  4. Step 4: Simplify right side
    4,014,371.40x = 12,069,810,416,048.12
  5. Step 5: Solve for x
    x = 12,069,810,416,048.12/4,014,371.40
  6. Step 6: Final answer
    x = 3,006,650.16

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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.