Home / 3,079,157.16-4,249,065.48-1,702,421.28

Finding the Fourth Proportional to 3,079,157.16, 4,249,065.48 and 1,702,421.28

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Solution

The fourth proportional to 3,079,157.16, 4,249,065.48 and 1,702,421.28 is: 2,349,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,157.16 : 4,249,065.48 = 1,702,421.28 : x
  2. Step 2: Convert to fraction form
    3,079,157.16/4,249,065.48 = 1,702,421.28/x
  3. Step 3: Cross multiply
    3,079,157.16x = 4,249,065.48 × 1,702,421.28
  4. Step 4: Simplify right side
    3,079,157.16x = 7,233,699,493,265.42
  5. Step 5: Solve for x
    x = 7,233,699,493,265.42/3,079,157.16
  6. Step 6: Final answer
    x = 2,349,246.60

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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.