Home / 1,938,631.89-2,675,670.76-1,122,835.35

Finding the Fourth Proportional to 1,938,631.89, 2,675,670.76 and 1,122,835.35

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Solution

The fourth proportional to 1,938,631.89, 2,675,670.76 and 1,122,835.35 is: 1,549,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,631.89 : 2,675,670.76 = 1,122,835.35 : x
  2. Step 2: Convert to fraction form
    1,938,631.89/2,675,670.76 = 1,122,835.35/x
  3. Step 3: Cross multiply
    1,938,631.89x = 2,675,670.76 × 1,122,835.35
  4. Step 4: Simplify right side
    1,938,631.89x = 3,004,337,714,289.37
  5. Step 5: Solve for x
    x = 3,004,337,714,289.37/1,938,631.89
  6. Step 6: Final answer
    x = 1,549,720.57

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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.