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Finding the Fourth Proportional to 1,646,739, 2,272,499.82 and 893,075

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Solution

The fourth proportional to 1,646,739, 2,272,499.82 and 893,075 is: 1,232,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,739 : 2,272,499.82 = 893,075 : x
  2. Step 2: Convert to fraction form
    1,646,739/2,272,499.82 = 893,075/x
  3. Step 3: Cross multiply
    1,646,739x = 2,272,499.82 × 893,075
  4. Step 4: Simplify right side
    1,646,739x = 2,029,512,776,746.50
  5. Step 5: Solve for x
    x = 2,029,512,776,746.50/1,646,739
  6. Step 6: Final answer
    x = 1,232,443.50

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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.