Home / 2,038,896.60-2,813,749.47-1,121,195.31

Finding the Fourth Proportional to 2,038,896.60, 2,813,749.47 and 1,121,195.31

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Solution

The fourth proportional to 2,038,896.60, 2,813,749.47 and 1,121,195.31 is: 1,547,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,896.60 : 2,813,749.47 = 1,121,195.31 : x
  2. Step 2: Convert to fraction form
    2,038,896.60/2,813,749.47 = 1,121,195.31/x
  3. Step 3: Cross multiply
    2,038,896.60x = 2,813,749.47 × 1,121,195.31
  4. Step 4: Simplify right side
    2,038,896.60x = 3,154,762,709,278.99
  5. Step 5: Solve for x
    x = 3,154,762,709,278.99/2,038,896.60
  6. Step 6: Final answer
    x = 1,547,289.21

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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.