Home / 4,771,685.16-7,155,315.90-1,779,065.64

Finding the Fourth Proportional to 4,771,685.16, 7,155,315.90 and 1,779,065.64

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Solution

The fourth proportional to 4,771,685.16, 7,155,315.90 and 1,779,065.64 is: 2,667,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,685.16 : 7,155,315.90 = 1,779,065.64 : x
  2. Step 2: Convert to fraction form
    4,771,685.16/7,155,315.90 = 1,779,065.64/x
  3. Step 3: Cross multiply
    4,771,685.16x = 7,155,315.90 × 1,779,065.64
  4. Step 4: Simplify right side
    4,771,685.16x = 12,729,776,661,035.68
  5. Step 5: Solve for x
    x = 12,729,776,661,035.68/4,771,685.16
  6. Step 6: Final answer
    x = 2,667,773.80

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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.