Home / 3,156,148.22-4,355,397.42-1,779,480.14

Finding the Fourth Proportional to 3,156,148.22, 4,355,397.42 and 1,779,480.14

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Solution

The fourth proportional to 3,156,148.22, 4,355,397.42 and 1,779,480.14 is: 2,455,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,148.22 : 4,355,397.42 = 1,779,480.14 : x
  2. Step 2: Convert to fraction form
    3,156,148.22/4,355,397.42 = 1,779,480.14/x
  3. Step 3: Cross multiply
    3,156,148.22x = 4,355,397.42 × 1,779,480.14
  4. Step 4: Simplify right side
    3,156,148.22x = 7,750,343,210,697.24
  5. Step 5: Solve for x
    x = 7,750,343,210,697.24/3,156,148.22
  6. Step 6: Final answer
    x = 2,455,633.47

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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.