Home / 2,838,127.47-4,254,930.77-1,638,689.19

Finding the Fourth Proportional to 2,838,127.47, 4,254,930.77 and 1,638,689.19

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Solution

The fourth proportional to 2,838,127.47, 4,254,930.77 and 1,638,689.19 is: 2,456,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,127.47 : 4,254,930.77 = 1,638,689.19 : x
  2. Step 2: Convert to fraction form
    2,838,127.47/4,254,930.77 = 1,638,689.19/x
  3. Step 3: Cross multiply
    2,838,127.47x = 4,254,930.77 × 1,638,689.19
  4. Step 4: Simplify right side
    2,838,127.47x = 6,972,509,048,803.93
  5. Step 5: Solve for x
    x = 6,972,509,048,803.93/2,838,127.47
  6. Step 6: Final answer
    x = 2,456,728.64

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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.