Home / 2,686,533.78-4,030,332.51-767,461.57

Finding the Fourth Proportional to 2,686,533.78, 4,030,332.51 and 767,461.57

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Solution

The fourth proportional to 2,686,533.78, 4,030,332.51 and 767,461.57 is: 1,151,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,533.78 : 4,030,332.51 = 767,461.57 : x
  2. Step 2: Convert to fraction form
    2,686,533.78/4,030,332.51 = 767,461.57/x
  3. Step 3: Cross multiply
    2,686,533.78x = 4,030,332.51 × 767,461.57
  4. Step 4: Simplify right side
    2,686,533.78x = 3,093,125,308,548.79
  5. Step 5: Solve for x
    x = 3,093,125,308,548.79/2,686,533.78
  6. Step 6: Final answer
    x = 1,151,344.28

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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.