Home / 3,555,681.68-5,333,303.48-2,189,715.63

Finding the Fourth Proportional to 3,555,681.68, 5,333,303.48 and 2,189,715.63

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Solution

The fourth proportional to 3,555,681.68, 5,333,303.48 and 2,189,715.63 is: 3,284,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,681.68 : 5,333,303.48 = 2,189,715.63 : x
  2. Step 2: Convert to fraction form
    3,555,681.68/5,333,303.48 = 2,189,715.63/x
  3. Step 3: Cross multiply
    3,555,681.68x = 5,333,303.48 × 2,189,715.63
  4. Step 4: Simplify right side
    3,555,681.68x = 11,678,417,978,740.81
  5. Step 5: Solve for x
    x = 11,678,417,978,740.81/3,555,681.68
  6. Step 6: Final answer
    x = 3,284,438.55

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1.5x scale

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.