Home / 2,603,397.81-3,907,615.53-1,256,508.58

Finding the Fourth Proportional to 2,603,397.81, 3,907,615.53 and 1,256,508.58

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Solution

The fourth proportional to 2,603,397.81, 3,907,615.53 and 1,256,508.58 is: 1,885,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,397.81 : 3,907,615.53 = 1,256,508.58 : x
  2. Step 2: Convert to fraction form
    2,603,397.81/3,907,615.53 = 1,256,508.58/x
  3. Step 3: Cross multiply
    2,603,397.81x = 3,907,615.53 × 1,256,508.58
  4. Step 4: Simplify right side
    2,603,397.81x = 4,909,952,426,764.77
  5. Step 5: Solve for x
    x = 4,909,952,426,764.77/2,603,397.81
  6. Step 6: Final answer
    x = 1,885,978.55

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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.