Home / 3,120,665.04-4,681,509.87-961,690.53

Finding the Fourth Proportional to 3,120,665.04, 4,681,509.87 and 961,690.53

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Solution

The fourth proportional to 3,120,665.04, 4,681,509.87 and 961,690.53 is: 1,442,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,665.04 : 4,681,509.87 = 961,690.53 : x
  2. Step 2: Convert to fraction form
    3,120,665.04/4,681,509.87 = 961,690.53/x
  3. Step 3: Cross multiply
    3,120,665.04x = 4,681,509.87 × 961,690.53
  4. Step 4: Simplify right side
    3,120,665.04x = 4,502,163,708,080.53
  5. Step 5: Solve for x
    x = 4,502,163,708,080.53/3,120,665.04
  6. Step 6: Final answer
    x = 1,442,693.67

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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.