Home / 2,817,953.50-3,889,142.65-1,578,036.07

Finding the Fourth Proportional to 2,817,953.50, 3,889,142.65 and 1,578,036.07

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Solution

The fourth proportional to 2,817,953.50, 3,889,142.65 and 1,578,036.07 is: 2,177,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,953.50 : 3,889,142.65 = 1,578,036.07 : x
  2. Step 2: Convert to fraction form
    2,817,953.50/3,889,142.65 = 1,578,036.07/x
  3. Step 3: Cross multiply
    2,817,953.50x = 3,889,142.65 × 1,578,036.07
  4. Step 4: Simplify right side
    2,817,953.50x = 6,137,207,383,075.39
  5. Step 5: Solve for x
    x = 6,137,207,383,075.39/2,817,953.50
  6. Step 6: Final answer
    x = 2,177,895.20

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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.