Home / 1,538,467.07-2,298,106.82-1,139,886.32

Finding the Fourth Proportional to 1,538,467.07, 2,298,106.82 and 1,139,886.32

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Solution

The fourth proportional to 1,538,467.07, 2,298,106.82 and 1,139,886.32 is: 1,702,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,467.07 : 2,298,106.82 = 1,139,886.32 : x
  2. Step 2: Convert to fraction form
    1,538,467.07/2,298,106.82 = 1,139,886.32/x
  3. Step 3: Cross multiply
    1,538,467.07x = 2,298,106.82 × 1,139,886.32
  4. Step 4: Simplify right side
    1,538,467.07x = 2,619,580,508,826.74
  5. Step 5: Solve for x
    x = 2,619,580,508,826.74/1,538,467.07
  6. Step 6: Final answer
    x = 1,702,721.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.