Home / 1,620,681.60-2,235,087.72-1,349,646.96

Finding the Fourth Proportional to 1,620,681.60, 2,235,087.72 and 1,349,646.96

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Solution

The fourth proportional to 1,620,681.60, 2,235,087.72 and 1,349,646.96 is: 1,861,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,681.60 : 2,235,087.72 = 1,349,646.96 : x
  2. Step 2: Convert to fraction form
    1,620,681.60/2,235,087.72 = 1,349,646.96/x
  3. Step 3: Cross multiply
    1,620,681.60x = 2,235,087.72 × 1,349,646.96
  4. Step 4: Simplify right side
    1,620,681.60x = 3,016,579,346,631.33
  5. Step 5: Solve for x
    x = 3,016,579,346,631.33/1,620,681.60
  6. Step 6: Final answer
    x = 1,861,302.89

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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.