Home / 1,890,927.81-2,609,477.29-1,031,488.07

Finding the Fourth Proportional to 1,890,927.81, 2,609,477.29 and 1,031,488.07

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Solution

The fourth proportional to 1,890,927.81, 2,609,477.29 and 1,031,488.07 is: 1,423,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,927.81 : 2,609,477.29 = 1,031,488.07 : x
  2. Step 2: Convert to fraction form
    1,890,927.81/2,609,477.29 = 1,031,488.07/x
  3. Step 3: Cross multiply
    1,890,927.81x = 2,609,477.29 × 1,031,488.07
  4. Step 4: Simplify right side
    1,890,927.81x = 2,691,644,699,392.27
  5. Step 5: Solve for x
    x = 2,691,644,699,392.27/1,890,927.81
  6. Step 6: Final answer
    x = 1,423,451.85

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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.