Home / 2,580,980.40-3,871,987.38-1,445,357.57

Finding the Fourth Proportional to 2,580,980.40, 3,871,987.38 and 1,445,357.57

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Solution

The fourth proportional to 2,580,980.40, 3,871,987.38 and 1,445,357.57 is: 2,168,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,980.40 : 3,871,987.38 = 1,445,357.57 : x
  2. Step 2: Convert to fraction form
    2,580,980.40/3,871,987.38 = 1,445,357.57/x
  3. Step 3: Cross multiply
    2,580,980.40x = 3,871,987.38 × 1,445,357.57
  4. Step 4: Simplify right side
    2,580,980.40x = 5,596,406,251,267.53
  5. Step 5: Solve for x
    x = 5,596,406,251,267.53/2,580,980.40
  6. Step 6: Final answer
    x = 2,168,325.75

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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.