Home / 2,740,420.80-4,110,631.20-1,942,603.20

Finding the Fourth Proportional to 2,740,420.80, 4,110,631.20 and 1,942,603.20

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Solution

The fourth proportional to 2,740,420.80, 4,110,631.20 and 1,942,603.20 is: 2,913,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,420.80 : 4,110,631.20 = 1,942,603.20 : x
  2. Step 2: Convert to fraction form
    2,740,420.80/4,110,631.20 = 1,942,603.20/x
  3. Step 3: Cross multiply
    2,740,420.80x = 4,110,631.20 × 1,942,603.20
  4. Step 4: Simplify right side
    2,740,420.80x = 7,985,325,323,139.84
  5. Step 5: Solve for x
    x = 7,985,325,323,139.84/2,740,420.80
  6. Step 6: Final answer
    x = 2,913,904.80

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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.