Home / 1,890,941.31-2,609,495.85-1,031,501.57

Finding the Fourth Proportional to 1,890,941.31, 2,609,495.85 and 1,031,501.57

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Solution

The fourth proportional to 1,890,941.31, 2,609,495.85 and 1,031,501.57 is: 1,423,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,941.31 : 2,609,495.85 = 1,031,501.57 : x
  2. Step 2: Convert to fraction form
    1,890,941.31/2,609,495.85 = 1,031,501.57/x
  3. Step 3: Cross multiply
    1,890,941.31x = 2,609,495.85 × 1,031,501.57
  4. Step 4: Simplify right side
    1,890,941.31x = 2,691,699,065,880.35
  5. Step 5: Solve for x
    x = 2,691,699,065,880.35/1,890,941.31
  6. Step 6: Final answer
    x = 1,423,470.44

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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.