Home / 1,535,488.66-2,119,653.80-991,889.46

Finding the Fourth Proportional to 1,535,488.66, 2,119,653.80 and 991,889.46

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Solution

The fourth proportional to 1,535,488.66, 2,119,653.80 and 991,889.46 is: 1,369,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,488.66 : 2,119,653.80 = 991,889.46 : x
  2. Step 2: Convert to fraction form
    1,535,488.66/2,119,653.80 = 991,889.46/x
  3. Step 3: Cross multiply
    1,535,488.66x = 2,119,653.80 × 991,889.46
  4. Step 4: Simplify right side
    1,535,488.66x = 2,102,462,261,829.09
  5. Step 5: Solve for x
    x = 2,102,462,261,829.09/1,535,488.66
  6. Step 6: Final answer
    x = 1,369,246.36

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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.