Home / 2,657,148.60-3,986,111.70-1,395,071.40

Finding the Fourth Proportional to 2,657,148.60, 3,986,111.70 and 1,395,071.40

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Solution

The fourth proportional to 2,657,148.60, 3,986,111.70 and 1,395,071.40 is: 2,092,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,148.60 : 3,986,111.70 = 1,395,071.40 : x
  2. Step 2: Convert to fraction form
    2,657,148.60/3,986,111.70 = 1,395,071.40/x
  3. Step 3: Cross multiply
    2,657,148.60x = 3,986,111.70 × 1,395,071.40
  4. Step 4: Simplify right side
    2,657,148.60x = 5,560,910,429,875.38
  5. Step 5: Solve for x
    x = 5,560,910,429,875.38/2,657,148.60
  6. Step 6: Final answer
    x = 2,092,811.23

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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.