Home / 2,038,887.10-2,813,736.36-1,121,185.81

Finding the Fourth Proportional to 2,038,887.10, 2,813,736.36 and 1,121,185.81

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Solution

The fourth proportional to 2,038,887.10, 2,813,736.36 and 1,121,185.81 is: 1,547,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,887.10 : 2,813,736.36 = 1,121,185.81 : x
  2. Step 2: Convert to fraction form
    2,038,887.10/2,813,736.36 = 1,121,185.81/x
  3. Step 3: Cross multiply
    2,038,887.10x = 2,813,736.36 × 1,121,185.81
  4. Step 4: Simplify right side
    2,038,887.10x = 3,154,721,279,913.05
  5. Step 5: Solve for x
    x = 3,154,721,279,913.05/2,038,887.10
  6. Step 6: Final answer
    x = 1,547,276.10

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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.