Home / 2,118,456.60-3,173,537.70-1,274,501.40

Finding the Fourth Proportional to 2,118,456.60, 3,173,537.70 and 1,274,501.40

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Solution

The fourth proportional to 2,118,456.60, 3,173,537.70 and 1,274,501.40 is: 1,909,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,456.60 : 3,173,537.70 = 1,274,501.40 : x
  2. Step 2: Convert to fraction form
    2,118,456.60/3,173,537.70 = 1,274,501.40/x
  3. Step 3: Cross multiply
    2,118,456.60x = 3,173,537.70 × 1,274,501.40
  4. Step 4: Simplify right side
    2,118,456.60x = 4,044,678,241,602.78
  5. Step 5: Solve for x
    x = 4,044,678,241,602.78/2,118,456.60
  6. Step 6: Final answer
    x = 1,909,257.07

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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.