Home / 2,673,488.40-4,010,232.60-780,421.20

Finding the Fourth Proportional to 2,673,488.40, 4,010,232.60 and 780,421.20

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Solution

The fourth proportional to 2,673,488.40, 4,010,232.60 and 780,421.20 is: 1,170,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,488.40 : 4,010,232.60 = 780,421.20 : x
  2. Step 2: Convert to fraction form
    2,673,488.40/4,010,232.60 = 780,421.20/x
  3. Step 3: Cross multiply
    2,673,488.40x = 4,010,232.60 × 780,421.20
  4. Step 4: Simplify right side
    2,673,488.40x = 3,129,670,537,971.12
  5. Step 5: Solve for x
    x = 3,129,670,537,971.12/2,673,488.40
  6. Step 6: Final answer
    x = 1,170,631.80

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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.