Home / 4,009,272.80-6,014,492.40-1,313,139.20

Finding the Fourth Proportional to 4,009,272.80, 6,014,492.40 and 1,313,139.20

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Solution

The fourth proportional to 4,009,272.80, 6,014,492.40 and 1,313,139.20 is: 1,969,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,272.80 : 6,014,492.40 = 1,313,139.20 : x
  2. Step 2: Convert to fraction form
    4,009,272.80/6,014,492.40 = 1,313,139.20/x
  3. Step 3: Cross multiply
    4,009,272.80x = 6,014,492.40 × 1,313,139.20
  4. Step 4: Simplify right side
    4,009,272.80x = 7,897,865,738,542.08
  5. Step 5: Solve for x
    x = 7,897,865,738,542.08/4,009,272.80
  6. Step 6: Final answer
    x = 1,969,899.81

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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.