Home / 2,805,400.90-4,207,117.20-1,457,115.40

Finding the Fourth Proportional to 2,805,400.90, 4,207,117.20 and 1,457,115.40

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Solution

The fourth proportional to 2,805,400.90, 4,207,117.20 and 1,457,115.40 is: 2,185,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,400.90 : 4,207,117.20 = 1,457,115.40 : x
  2. Step 2: Convert to fraction form
    2,805,400.90/4,207,117.20 = 1,457,115.40/x
  3. Step 3: Cross multiply
    2,805,400.90x = 4,207,117.20 × 1,457,115.40
  4. Step 4: Simplify right side
    2,805,400.90x = 6,130,255,261,724.88
  5. Step 5: Solve for x
    x = 6,130,255,261,724.88/2,805,400.90
  6. Step 6: Final answer
    x = 2,185,161.94

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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.