Home / 2,779,331.60-4,168,997.40-1,181,946.80

Finding the Fourth Proportional to 2,779,331.60, 4,168,997.40 and 1,181,946.80

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Solution

The fourth proportional to 2,779,331.60, 4,168,997.40 and 1,181,946.80 is: 1,772,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,331.60 : 4,168,997.40 = 1,181,946.80 : x
  2. Step 2: Convert to fraction form
    2,779,331.60/4,168,997.40 = 1,181,946.80/x
  3. Step 3: Cross multiply
    2,779,331.60x = 4,168,997.40 × 1,181,946.80
  4. Step 4: Simplify right side
    2,779,331.60x = 4,927,533,136,138.32
  5. Step 5: Solve for x
    x = 4,927,533,136,138.32/2,779,331.60
  6. Step 6: Final answer
    x = 1,772,920.20

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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.