Home / 4,167,978.40-6,252,140.40-1,328,010.40

Finding the Fourth Proportional to 4,167,978.40, 6,252,140.40 and 1,328,010.40

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Solution

The fourth proportional to 4,167,978.40, 6,252,140.40 and 1,328,010.40 is: 1,992,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167,978.40 : 6,252,140.40 = 1,328,010.40 : x
  2. Step 2: Convert to fraction form
    4,167,978.40/6,252,140.40 = 1,328,010.40/x
  3. Step 3: Cross multiply
    4,167,978.40x = 6,252,140.40 × 1,328,010.40
  4. Step 4: Simplify right side
    4,167,978.40x = 8,302,907,473,460.16
  5. Step 5: Solve for x
    x = 8,302,907,473,460.16/4,167,978.40
  6. Step 6: Final answer
    x = 1,992,070.66

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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.