Home / 2,020,577.68-2,788,403.20-1,102,815.28

Finding the Fourth Proportional to 2,020,577.68, 2,788,403.20 and 1,102,815.28

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Solution

The fourth proportional to 2,020,577.68, 2,788,403.20 and 1,102,815.28 is: 1,521,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,577.68 : 2,788,403.20 = 1,102,815.28 : x
  2. Step 2: Convert to fraction form
    2,020,577.68/2,788,403.20 = 1,102,815.28/x
  3. Step 3: Cross multiply
    2,020,577.68x = 2,788,403.20 × 1,102,815.28
  4. Step 4: Simplify right side
    2,020,577.68x = 3,075,093,655,760.90
  5. Step 5: Solve for x
    x = 3,075,093,655,760.90/2,020,577.68
  6. Step 6: Final answer
    x = 1,521,888.36

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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.