Home / 2,977,137.86-4,108,354.16-1,688,093.06

Finding the Fourth Proportional to 2,977,137.86, 4,108,354.16 and 1,688,093.06

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Solution

The fourth proportional to 2,977,137.86, 4,108,354.16 and 1,688,093.06 is: 2,329,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,137.86 : 4,108,354.16 = 1,688,093.06 : x
  2. Step 2: Convert to fraction form
    2,977,137.86/4,108,354.16 = 1,688,093.06/x
  3. Step 3: Cross multiply
    2,977,137.86x = 4,108,354.16 × 1,688,093.06
  4. Step 4: Simplify right side
    2,977,137.86x = 6,935,284,145,518.13
  5. Step 5: Solve for x
    x = 6,935,284,145,518.13/2,977,137.86
  6. Step 6: Final answer
    x = 2,329,513.94

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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.