Home / 2,967,873.75-4,095,666.32-1,678,686.39

Finding the Fourth Proportional to 2,967,873.75, 4,095,666.32 and 1,678,686.39

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Solution

The fourth proportional to 2,967,873.75, 4,095,666.32 and 1,678,686.39 is: 2,316,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967,873.75 : 4,095,666.32 = 1,678,686.39 : x
  2. Step 2: Convert to fraction form
    2,967,873.75/4,095,666.32 = 1,678,686.39/x
  3. Step 3: Cross multiply
    2,967,873.75x = 4,095,666.32 × 1,678,686.39
  4. Step 4: Simplify right side
    2,967,873.75x = 6,875,339,300,971.95
  5. Step 5: Solve for x
    x = 6,875,339,300,971.95/2,967,873.75
  6. Step 6: Final answer
    x = 2,316,587.52

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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.