Home / 1,953,923.60-2,930,885.40-1,207,427.60

Finding the Fourth Proportional to 1,953,923.60, 2,930,885.40 and 1,207,427.60

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Solution

The fourth proportional to 1,953,923.60, 2,930,885.40 and 1,207,427.60 is: 1,811,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,923.60 : 2,930,885.40 = 1,207,427.60 : x
  2. Step 2: Convert to fraction form
    1,953,923.60/2,930,885.40 = 1,207,427.60/x
  3. Step 3: Cross multiply
    1,953,923.60x = 2,930,885.40 × 1,207,427.60
  4. Step 4: Simplify right side
    1,953,923.60x = 3,538,831,924,397.04
  5. Step 5: Solve for x
    x = 3,538,831,924,397.04/1,953,923.60
  6. Step 6: Final answer
    x = 1,811,141.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.