Home / 1,881,648.43-2,597,088.08-1,237,128.60

Finding the Fourth Proportional to 1,881,648.43, 2,597,088.08 and 1,237,128.60

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Solution

The fourth proportional to 1,881,648.43, 2,597,088.08 and 1,237,128.60 is: 1,707,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,648.43 : 2,597,088.08 = 1,237,128.60 : x
  2. Step 2: Convert to fraction form
    1,881,648.43/2,597,088.08 = 1,237,128.60/x
  3. Step 3: Cross multiply
    1,881,648.43x = 2,597,088.08 × 1,237,128.60
  4. Step 4: Simplify right side
    1,881,648.43x = 3,212,931,940,487.09
  5. Step 5: Solve for x
    x = 3,212,931,940,487.09/1,881,648.43
  6. Step 6: Final answer
    x = 1,707,509.17

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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.