Home / 2,768,009.60-4,152,014.40-875,331.20

Finding the Fourth Proportional to 2,768,009.60, 4,152,014.40 and 875,331.20

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Solution

The fourth proportional to 2,768,009.60, 4,152,014.40 and 875,331.20 is: 1,312,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,009.60 : 4,152,014.40 = 875,331.20 : x
  2. Step 2: Convert to fraction form
    2,768,009.60/4,152,014.40 = 875,331.20/x
  3. Step 3: Cross multiply
    2,768,009.60x = 4,152,014.40 × 875,331.20
  4. Step 4: Simplify right side
    2,768,009.60x = 3,634,387,747,169.28
  5. Step 5: Solve for x
    x = 3,634,387,747,169.28/2,768,009.60
  6. Step 6: Final answer
    x = 1,312,996.80

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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.