Home / 1,868,447.10-2,578,456.95-1,009,007.33

Finding the Fourth Proportional to 1,868,447.10, 2,578,456.95 and 1,009,007.33

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Solution

The fourth proportional to 1,868,447.10, 2,578,456.95 and 1,009,007.33 is: 1,392,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,447.10 : 2,578,456.95 = 1,009,007.33 : x
  2. Step 2: Convert to fraction form
    1,868,447.10/2,578,456.95 = 1,009,007.33/x
  3. Step 3: Cross multiply
    1,868,447.10x = 2,578,456.95 × 1,009,007.33
  4. Step 4: Simplify right side
    1,868,447.10x = 2,601,681,949,747.16
  5. Step 5: Solve for x
    x = 2,601,681,949,747.16/1,868,447.10
  6. Step 6: Final answer
    x = 1,392,430.08

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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.