Home / 2,778,699.51-4,167,466.07-783,688.95

Finding the Fourth Proportional to 2,778,699.51, 4,167,466.07 and 783,688.95

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Solution

The fourth proportional to 2,778,699.51, 4,167,466.07 and 783,688.95 is: 1,175,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,699.51 : 4,167,466.07 = 783,688.95 : x
  2. Step 2: Convert to fraction form
    2,778,699.51/4,167,466.07 = 783,688.95/x
  3. Step 3: Cross multiply
    2,778,699.51x = 4,167,466.07 × 783,688.95
  4. Step 4: Simplify right side
    2,778,699.51x = 3,265,997,108,558.93
  5. Step 5: Solve for x
    x = 3,265,997,108,558.93/2,778,699.51
  6. Step 6: Final answer
    x = 1,175,368.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.