Home / 3,078,784.86-4,249,397.57-1,790,368.48

Finding the Fourth Proportional to 3,078,784.86, 4,249,397.57 and 1,790,368.48

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Solution

The fourth proportional to 3,078,784.86, 4,249,397.57 and 1,790,368.48 is: 2,471,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,784.86 : 4,249,397.57 = 1,790,368.48 : x
  2. Step 2: Convert to fraction form
    3,078,784.86/4,249,397.57 = 1,790,368.48/x
  3. Step 3: Cross multiply
    3,078,784.86x = 4,249,397.57 × 1,790,368.48
  4. Step 4: Simplify right side
    3,078,784.86x = 7,607,987,464,676.50
  5. Step 5: Solve for x
    x = 7,607,987,464,676.50/3,078,784.86
  6. Step 6: Final answer
    x = 2,471,100.72

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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.