Home / 1,863,421.40-2,571,461.96-1,047,659.60

Finding the Fourth Proportional to 1,863,421.40, 2,571,461.96 and 1,047,659.60

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Solution

The fourth proportional to 1,863,421.40, 2,571,461.96 and 1,047,659.60 is: 1,445,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,421.40 : 2,571,461.96 = 1,047,659.60 : x
  2. Step 2: Convert to fraction form
    1,863,421.40/2,571,461.96 = 1,047,659.60/x
  3. Step 3: Cross multiply
    1,863,421.40x = 2,571,461.96 × 1,047,659.60
  4. Step 4: Simplify right side
    1,863,421.40x = 2,694,016,808,428.82
  5. Step 5: Solve for x
    x = 2,694,016,808,428.82/1,863,421.40
  6. Step 6: Final answer
    x = 1,445,736.76

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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.