Home / 1,578,445.58-2,178,201.86-997,981.15

Finding the Fourth Proportional to 1,578,445.58, 2,178,201.86 and 997,981.15

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Solution

The fourth proportional to 1,578,445.58, 2,178,201.86 and 997,981.15 is: 1,377,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,445.58 : 2,178,201.86 = 997,981.15 : x
  2. Step 2: Convert to fraction form
    1,578,445.58/2,178,201.86 = 997,981.15/x
  3. Step 3: Cross multiply
    1,578,445.58x = 2,178,201.86 × 997,981.15
  4. Step 4: Simplify right side
    1,578,445.58x = 2,173,804,397,174.94
  5. Step 5: Solve for x
    x = 2,173,804,397,174.94/1,578,445.58
  6. Step 6: Final answer
    x = 1,377,180.46

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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.