Home / 2,378,890.47-3,280,387.36-1,411,833.93

Finding the Fourth Proportional to 2,378,890.47, 3,280,387.36 and 1,411,833.93

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Solution

The fourth proportional to 2,378,890.47, 3,280,387.36 and 1,411,833.93 is: 1,946,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,890.47 : 3,280,387.36 = 1,411,833.93 : x
  2. Step 2: Convert to fraction form
    2,378,890.47/3,280,387.36 = 1,411,833.93/x
  3. Step 3: Cross multiply
    2,378,890.47x = 3,280,387.36 × 1,411,833.93
  4. Step 4: Simplify right side
    2,378,890.47x = 4,631,362,161,989.19
  5. Step 5: Solve for x
    x = 4,631,362,161,989.19/2,378,890.47
  6. Step 6: Final answer
    x = 1,946,858.09

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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.