Home / 1,535,577-2,119,775.76-991,977.84

Finding the Fourth Proportional to 1,535,577, 2,119,775.76 and 991,977.84

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Solution

The fourth proportional to 1,535,577, 2,119,775.76 and 991,977.84 is: 1,369,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,577 : 2,119,775.76 = 991,977.84 : x
  2. Step 2: Convert to fraction form
    1,535,577/2,119,775.76 = 991,977.84/x
  3. Step 3: Cross multiply
    1,535,577x = 2,119,775.76 × 991,977.84
  4. Step 4: Simplify right side
    1,535,577x = 2,102,770,579,689.16
  5. Step 5: Solve for x
    x = 2,102,770,579,689.16/1,535,577
  6. Step 6: Final answer
    x = 1,369,368.37

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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.