Home / 3,140,808.48-4,701,912.40-1,938,866.08

Finding the Fourth Proportional to 3,140,808.48, 4,701,912.40 and 1,938,866.08

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Solution

The fourth proportional to 3,140,808.48, 4,701,912.40 and 1,938,866.08 is: 2,902,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,808.48 : 4,701,912.40 = 1,938,866.08 : x
  2. Step 2: Convert to fraction form
    3,140,808.48/4,701,912.40 = 1,938,866.08/x
  3. Step 3: Cross multiply
    3,140,808.48x = 4,701,912.40 × 1,938,866.08
  4. Step 4: Simplify right side
    3,140,808.48x = 9,116,378,463,491.39
  5. Step 5: Solve for x
    x = 9,116,378,463,491.39/3,140,808.48
  6. Step 6: Final answer
    x = 2,902,557.90

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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.