Home / 1,888,443.78-2,605,970.95-1,072,644.94

Finding the Fourth Proportional to 1,888,443.78, 2,605,970.95 and 1,072,644.94

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Solution

The fourth proportional to 1,888,443.78, 2,605,970.95 and 1,072,644.94 is: 1,480,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,443.78 : 2,605,970.95 = 1,072,644.94 : x
  2. Step 2: Convert to fraction form
    1,888,443.78/2,605,970.95 = 1,072,644.94/x
  3. Step 3: Cross multiply
    1,888,443.78x = 2,605,970.95 × 1,072,644.94
  4. Step 4: Simplify right side
    1,888,443.78x = 2,795,281,539,221.76
  5. Step 5: Solve for x
    x = 2,795,281,539,221.76/1,888,443.78
  6. Step 6: Final answer
    x = 1,480,203.74

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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.