Home / 1,515,096.61-2,089,137.95-1,238,591.46

Finding the Fourth Proportional to 1,515,096.61, 2,089,137.95 and 1,238,591.46

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Solution

The fourth proportional to 1,515,096.61, 2,089,137.95 and 1,238,591.46 is: 1,707,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,096.61 : 2,089,137.95 = 1,238,591.46 : x
  2. Step 2: Convert to fraction form
    1,515,096.61/2,089,137.95 = 1,238,591.46/x
  3. Step 3: Cross multiply
    1,515,096.61x = 2,089,137.95 × 1,238,591.46
  4. Step 4: Simplify right side
    1,515,096.61x = 2,587,588,423,631.91
  5. Step 5: Solve for x
    x = 2,587,588,423,631.91/1,515,096.61
  6. Step 6: Final answer
    x = 1,707,870.25

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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.