Home / 2,153,829.96-2,972,240.73-1,186,935.39

Finding the Fourth Proportional to 2,153,829.96, 2,972,240.73 and 1,186,935.39

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Solution

The fourth proportional to 2,153,829.96, 2,972,240.73 and 1,186,935.39 is: 1,637,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,829.96 : 2,972,240.73 = 1,186,935.39 : x
  2. Step 2: Convert to fraction form
    2,153,829.96/2,972,240.73 = 1,186,935.39/x
  3. Step 3: Cross multiply
    2,153,829.96x = 2,972,240.73 × 1,186,935.39
  4. Step 4: Simplify right side
    2,153,829.96x = 3,527,857,710,036.43
  5. Step 5: Solve for x
    x = 3,527,857,710,036.43/2,153,829.96
  6. Step 6: Final answer
    x = 1,637,946.25

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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.