Home / 3,869,448.90-5,804,998.80-1,310,574.12

Finding the Fourth Proportional to 3,869,448.90, 5,804,998.80 and 1,310,574.12

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Solution

The fourth proportional to 3,869,448.90, 5,804,998.80 and 1,310,574.12 is: 1,966,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,448.90 : 5,804,998.80 = 1,310,574.12 : x
  2. Step 2: Convert to fraction form
    3,869,448.90/5,804,998.80 = 1,310,574.12/x
  3. Step 3: Cross multiply
    3,869,448.90x = 5,804,998.80 × 1,310,574.12
  4. Step 4: Simplify right side
    3,869,448.90x = 7,607,881,193,911.06
  5. Step 5: Solve for x
    x = 7,607,881,193,911.06/3,869,448.90
  6. Step 6: Final answer
    x = 1,966,140.76

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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.