Home / 2,805,677.80-4,210,244.70-1,209,005.80

Finding the Fourth Proportional to 2,805,677.80, 4,210,244.70 and 1,209,005.80

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Solution

The fourth proportional to 2,805,677.80, 4,210,244.70 and 1,209,005.80 is: 1,814,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,677.80 : 4,210,244.70 = 1,209,005.80 : x
  2. Step 2: Convert to fraction form
    2,805,677.80/4,210,244.70 = 1,209,005.80/x
  3. Step 3: Cross multiply
    2,805,677.80x = 4,210,244.70 × 1,209,005.80
  4. Step 4: Simplify right side
    2,805,677.80x = 5,090,210,261,719.26
  5. Step 5: Solve for x
    x = 5,090,210,261,719.26/2,805,677.80
  6. Step 6: Final answer
    x = 1,814,253.32

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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.