Home / 1,990,363.72-2,746,702.02-1,084,945.72

Finding the Fourth Proportional to 1,990,363.72, 2,746,702.02 and 1,084,945.72

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Solution

The fourth proportional to 1,990,363.72, 2,746,702.02 and 1,084,945.72 is: 1,497,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,363.72 : 2,746,702.02 = 1,084,945.72 : x
  2. Step 2: Convert to fraction form
    1,990,363.72/2,746,702.02 = 1,084,945.72/x
  3. Step 3: Cross multiply
    1,990,363.72x = 2,746,702.02 × 1,084,945.72
  4. Step 4: Simplify right side
    1,990,363.72x = 2,980,022,600,714.35
  5. Step 5: Solve for x
    x = 2,980,022,600,714.35/1,990,363.72
  6. Step 6: Final answer
    x = 1,497,225.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.