Home / 1,919,141.76-2,648,419.56-1,059,703.68

Finding the Fourth Proportional to 1,919,141.76, 2,648,419.56 and 1,059,703.68

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Solution

The fourth proportional to 1,919,141.76, 2,648,419.56 and 1,059,703.68 is: 1,462,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,141.76 : 2,648,419.56 = 1,059,703.68 : x
  2. Step 2: Convert to fraction form
    1,919,141.76/2,648,419.56 = 1,059,703.68/x
  3. Step 3: Cross multiply
    1,919,141.76x = 2,648,419.56 × 1,059,703.68
  4. Step 4: Simplify right side
    1,919,141.76x = 2,806,539,953,915.98
  5. Step 5: Solve for x
    x = 2,806,539,953,915.98/1,919,141.76
  6. Step 6: Final answer
    x = 1,462,393.25

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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.