Home / 2,812,362.08-4,218,741.76-1,392,036.80

Finding the Fourth Proportional to 2,812,362.08, 4,218,741.76 and 1,392,036.80

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Solution

The fourth proportional to 2,812,362.08, 4,218,741.76 and 1,392,036.80 is: 2,088,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,362.08 : 4,218,741.76 = 1,392,036.80 : x
  2. Step 2: Convert to fraction form
    2,812,362.08/4,218,741.76 = 1,392,036.80/x
  3. Step 3: Cross multiply
    2,812,362.08x = 4,218,741.76 × 1,392,036.80
  4. Step 4: Simplify right side
    2,812,362.08x = 5,872,643,779,616.77
  5. Step 5: Solve for x
    x = 5,872,643,779,616.77/2,812,362.08
  6. Step 6: Final answer
    x = 2,088,153.52

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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.