Home / 2,686,720.44-4,031,655.32-1,927,743.96

Finding the Fourth Proportional to 2,686,720.44, 4,031,655.32 and 1,927,743.96

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Solution

The fourth proportional to 2,686,720.44, 4,031,655.32 and 1,927,743.96 is: 2,892,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,720.44 : 4,031,655.32 = 1,927,743.96 : x
  2. Step 2: Convert to fraction form
    2,686,720.44/4,031,655.32 = 1,927,743.96/x
  3. Step 3: Cross multiply
    2,686,720.44x = 4,031,655.32 × 1,927,743.96
  4. Step 4: Simplify right side
    2,686,720.44x = 7,771,999,191,931.87
  5. Step 5: Solve for x
    x = 7,771,999,191,931.87/2,686,720.44
  6. Step 6: Final answer
    x = 2,892,745.77

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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.