Home / 2,805,399.90-4,207,115.70-1,457,114.40

Finding the Fourth Proportional to 2,805,399.90, 4,207,115.70 and 1,457,114.40

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Solution

The fourth proportional to 2,805,399.90, 4,207,115.70 and 1,457,114.40 is: 2,185,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,399.90 : 4,207,115.70 = 1,457,114.40 : x
  2. Step 2: Convert to fraction form
    2,805,399.90/4,207,115.70 = 1,457,114.40/x
  3. Step 3: Cross multiply
    2,805,399.90x = 4,207,115.70 × 1,457,114.40
  4. Step 4: Simplify right side
    2,805,399.90x = 6,130,248,868,936.08
  5. Step 5: Solve for x
    x = 6,130,248,868,936.08/2,805,399.90
  6. Step 6: Final answer
    x = 2,185,160.44

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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.