Home / 2,817,955.50-3,889,145.42-1,578,038.08

Finding the Fourth Proportional to 2,817,955.50, 3,889,145.42 and 1,578,038.08

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Solution

The fourth proportional to 2,817,955.50, 3,889,145.42 and 1,578,038.08 is: 2,177,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,955.50 : 3,889,145.42 = 1,578,038.08 : x
  2. Step 2: Convert to fraction form
    2,817,955.50/3,889,145.42 = 1,578,038.08/x
  3. Step 3: Cross multiply
    2,817,955.50x = 3,889,145.42 × 1,578,038.08
  4. Step 4: Simplify right side
    2,817,955.50x = 6,137,219,571,417.59
  5. Step 5: Solve for x
    x = 6,137,219,571,417.59/2,817,955.50
  6. Step 6: Final answer
    x = 2,177,897.97

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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.