Home / 3,112,356-4,295,051.28-1,681,572

Finding the Fourth Proportional to 3,112,356, 4,295,051.28 and 1,681,572

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Solution

The fourth proportional to 3,112,356, 4,295,051.28 and 1,681,572 is: 2,320,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,356 : 4,295,051.28 = 1,681,572 : x
  2. Step 2: Convert to fraction form
    3,112,356/4,295,051.28 = 1,681,572/x
  3. Step 3: Cross multiply
    3,112,356x = 4,295,051.28 × 1,681,572
  4. Step 4: Simplify right side
    3,112,356x = 7,222,437,971,012.16
  5. Step 5: Solve for x
    x = 7,222,437,971,012.16/3,112,356
  6. Step 6: Final answer
    x = 2,320,569.36

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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.