Home / 1,929,468.90-2,662,534.86-1,069,948.74

Finding the Fourth Proportional to 1,929,468.90, 2,662,534.86 and 1,069,948.74

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Solution

The fourth proportional to 1,929,468.90, 2,662,534.86 and 1,069,948.74 is: 1,476,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,468.90 : 2,662,534.86 = 1,069,948.74 : x
  2. Step 2: Convert to fraction form
    1,929,468.90/2,662,534.86 = 1,069,948.74/x
  3. Step 3: Cross multiply
    1,929,468.90x = 2,662,534.86 × 1,069,948.74
  4. Step 4: Simplify right side
    1,929,468.90x = 2,848,775,818,663.08
  5. Step 5: Solve for x
    x = 2,848,775,818,663.08/1,929,468.90
  6. Step 6: Final answer
    x = 1,476,455.94

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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.