Home / 1,888,444.47-2,605,971.89-1,072,645.63

Finding the Fourth Proportional to 1,888,444.47, 2,605,971.89 and 1,072,645.63

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Solution

The fourth proportional to 1,888,444.47, 2,605,971.89 and 1,072,645.63 is: 1,480,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,444.47 : 2,605,971.89 = 1,072,645.63 : x
  2. Step 2: Convert to fraction form
    1,888,444.47/2,605,971.89 = 1,072,645.63/x
  3. Step 3: Cross multiply
    1,888,444.47x = 2,605,971.89 × 1,072,645.63
  4. Step 4: Simplify right side
    1,888,444.47x = 2,795,284,346,681.48
  5. Step 5: Solve for x
    x = 2,795,284,346,681.48/1,888,444.47
  6. Step 6: Final answer
    x = 1,480,204.68

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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.