Home / 1,983,897.48-2,737,794.42-1,078,477.32

Finding the Fourth Proportional to 1,983,897.48, 2,737,794.42 and 1,078,477.32

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Solution

The fourth proportional to 1,983,897.48, 2,737,794.42 and 1,078,477.32 is: 1,488,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,897.48 : 2,737,794.42 = 1,078,477.32 : x
  2. Step 2: Convert to fraction form
    1,983,897.48/2,737,794.42 = 1,078,477.32/x
  3. Step 3: Cross multiply
    1,983,897.48x = 2,737,794.42 × 1,078,477.32
  4. Step 4: Simplify right side
    1,983,897.48x = 2,952,649,188,792.56
  5. Step 5: Solve for x
    x = 2,952,649,188,792.56/1,983,897.48
  6. Step 6: Final answer
    x = 1,488,307.34

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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.