Home / 4,212,749.38-6,319,386.67-1,688,076.58

Finding the Fourth Proportional to 4,212,749.38, 6,319,386.67 and 1,688,076.58

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Solution

The fourth proportional to 4,212,749.38, 6,319,386.67 and 1,688,076.58 is: 2,532,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,749.38 : 6,319,386.67 = 1,688,076.58 : x
  2. Step 2: Convert to fraction form
    4,212,749.38/6,319,386.67 = 1,688,076.58/x
  3. Step 3: Cross multiply
    4,212,749.38x = 6,319,386.67 × 1,688,076.58
  4. Step 4: Simplify right side
    4,212,749.38x = 10,667,608,637,591.19
  5. Step 5: Solve for x
    x = 10,667,608,637,591.19/4,212,749.38
  6. Step 6: Final answer
    x = 2,532,220.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.