Home / 2,692,416.60-4,040,828.10-2,671,421.40

Finding the Fourth Proportional to 2,692,416.60, 4,040,828.10 and 2,671,421.40

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Solution

The fourth proportional to 2,692,416.60, 4,040,828.10 and 2,671,421.40 is: 4,009,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,416.60 : 4,040,828.10 = 2,671,421.40 : x
  2. Step 2: Convert to fraction form
    2,692,416.60/4,040,828.10 = 2,671,421.40/x
  3. Step 3: Cross multiply
    2,692,416.60x = 4,040,828.10 × 2,671,421.40
  4. Step 4: Simplify right side
    2,692,416.60x = 10,794,754,660,061.34
  5. Step 5: Solve for x
    x = 10,794,754,660,061.34/2,692,416.60
  6. Step 6: Final answer
    x = 4,009,318.12

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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.