Home / 1,890,873.03-2,609,421.45-1,031,437.11

Finding the Fourth Proportional to 1,890,873.03, 2,609,421.45 and 1,031,437.11

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Solution

The fourth proportional to 1,890,873.03, 2,609,421.45 and 1,031,437.11 is: 1,423,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,873.03 : 2,609,421.45 = 1,031,437.11 : x
  2. Step 2: Convert to fraction form
    1,890,873.03/2,609,421.45 = 1,031,437.11/x
  3. Step 3: Cross multiply
    1,890,873.03x = 2,609,421.45 × 1,031,437.11
  4. Step 4: Simplify right side
    1,890,873.03x = 2,691,454,119,160.01
  5. Step 5: Solve for x
    x = 2,691,454,119,160.01/1,890,873.03
  6. Step 6: Final answer
    x = 1,423,392.30

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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.