Home / 3,160,155.77-4,360,547.42-1,919,120.75

Finding the Fourth Proportional to 3,160,155.77, 4,360,547.42 and 1,919,120.75

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Solution

The fourth proportional to 3,160,155.77, 4,360,547.42 and 1,919,120.75 is: 2,648,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,155.77 : 4,360,547.42 = 1,919,120.75 : x
  2. Step 2: Convert to fraction form
    3,160,155.77/4,360,547.42 = 1,919,120.75/x
  3. Step 3: Cross multiply
    3,160,155.77x = 4,360,547.42 × 1,919,120.75
  4. Step 4: Simplify right side
    3,160,155.77x = 8,368,417,027,231.38
  5. Step 5: Solve for x
    x = 8,368,417,027,231.38/3,160,155.77
  6. Step 6: Final answer
    x = 2,648,102.70

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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.