Home / 2,140,603.22-2,955,582.50-1,377,985.38

Finding the Fourth Proportional to 2,140,603.22, 2,955,582.50 and 1,377,985.38

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Solution

The fourth proportional to 2,140,603.22, 2,955,582.50 and 1,377,985.38 is: 1,902,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,603.22 : 2,955,582.50 = 1,377,985.38 : x
  2. Step 2: Convert to fraction form
    2,140,603.22/2,955,582.50 = 1,377,985.38/x
  3. Step 3: Cross multiply
    2,140,603.22x = 2,955,582.50 × 1,377,985.38
  4. Step 4: Simplify right side
    2,140,603.22x = 4,072,749,467,493.92
  5. Step 5: Solve for x
    x = 4,072,749,467,493.92/2,140,603.22
  6. Step 6: Final answer
    x = 1,902,617.65

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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.