Home / 1,909,471.76-2,635,139.40-1,050,098.48

Finding the Fourth Proportional to 1,909,471.76, 2,635,139.40 and 1,050,098.48

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Solution

The fourth proportional to 1,909,471.76, 2,635,139.40 and 1,050,098.48 is: 1,449,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,471.76 : 2,635,139.40 = 1,050,098.48 : x
  2. Step 2: Convert to fraction form
    1,909,471.76/2,635,139.40 = 1,050,098.48/x
  3. Step 3: Cross multiply
    1,909,471.76x = 2,635,139.40 × 1,050,098.48
  4. Step 4: Simplify right side
    1,909,471.76x = 2,767,155,878,528.11
  5. Step 5: Solve for x
    x = 2,767,155,878,528.11/1,909,471.76
  6. Step 6: Final answer
    x = 1,449,173.50

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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.