Home / 3,462,451.79-4,778,430.89-1,913,680.14

Finding the Fourth Proportional to 3,462,451.79, 4,778,430.89 and 1,913,680.14

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Solution

The fourth proportional to 3,462,451.79, 4,778,430.89 and 1,913,680.14 is: 2,641,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,451.79 : 4,778,430.89 = 1,913,680.14 : x
  2. Step 2: Convert to fraction form
    3,462,451.79/4,778,430.89 = 1,913,680.14/x
  3. Step 3: Cross multiply
    3,462,451.79x = 4,778,430.89 × 1,913,680.14
  4. Step 4: Simplify right side
    3,462,451.79x = 9,144,388,284,987.12
  5. Step 5: Solve for x
    x = 9,144,388,284,987.12/3,462,451.79
  6. Step 6: Final answer
    x = 2,641,015.34

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1.5x scale

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.