Home / 2,988,513.18-4,124,128.65-1,699,353.66

Finding the Fourth Proportional to 2,988,513.18, 4,124,128.65 and 1,699,353.66

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Solution

The fourth proportional to 2,988,513.18, 4,124,128.65 and 1,699,353.66 is: 2,345,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,513.18 : 4,124,128.65 = 1,699,353.66 : x
  2. Step 2: Convert to fraction form
    2,988,513.18/4,124,128.65 = 1,699,353.66/x
  3. Step 3: Cross multiply
    2,988,513.18x = 4,124,128.65 × 1,699,353.66
  4. Step 4: Simplify right side
    2,988,513.18x = 7,008,353,115,688.36
  5. Step 5: Solve for x
    x = 7,008,353,115,688.36/2,988,513.18
  6. Step 6: Final answer
    x = 2,345,096.94

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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.