Home / 5,184,006.40-7,776,009.60-2,659,916.80

Finding the Fourth Proportional to 5,184,006.40, 7,776,009.60 and 2,659,916.80

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Solution

The fourth proportional to 5,184,006.40, 7,776,009.60 and 2,659,916.80 is: 3,989,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,006.40 : 7,776,009.60 = 2,659,916.80 : x
  2. Step 2: Convert to fraction form
    5,184,006.40/7,776,009.60 = 2,659,916.80/x
  3. Step 3: Cross multiply
    5,184,006.40x = 7,776,009.60 × 2,659,916.80
  4. Step 4: Simplify right side
    5,184,006.40x = 20,683,538,572,001.28
  5. Step 5: Solve for x
    x = 20,683,538,572,001.28/5,184,006.40
  6. Step 6: Final answer
    x = 3,989,875.20

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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.