Home / 1,888,445.21-2,605,972.93-1,072,646.37

Finding the Fourth Proportional to 1,888,445.21, 2,605,972.93 and 1,072,646.37

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Solution

The fourth proportional to 1,888,445.21, 2,605,972.93 and 1,072,646.37 is: 1,480,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,445.21 : 2,605,972.93 = 1,072,646.37 : x
  2. Step 2: Convert to fraction form
    1,888,445.21/2,605,972.93 = 1,072,646.37/x
  3. Step 3: Cross multiply
    1,888,445.21x = 2,605,972.93 × 1,072,646.37
  4. Step 4: Simplify right side
    1,888,445.21x = 2,795,287,403,682.76
  5. Step 5: Solve for x
    x = 2,795,287,403,682.76/1,888,445.21
  6. Step 6: Final answer
    x = 1,480,205.72

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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.