Home / 3,886,285.80-5,841,870.30-2,772,071.40

Finding the Fourth Proportional to 3,886,285.80, 5,841,870.30 and 2,772,071.40

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Solution

The fourth proportional to 3,886,285.80, 5,841,870.30 and 2,772,071.40 is: 4,166,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,285.80 : 5,841,870.30 = 2,772,071.40 : x
  2. Step 2: Convert to fraction form
    3,886,285.80/5,841,870.30 = 2,772,071.40/x
  3. Step 3: Cross multiply
    3,886,285.80x = 5,841,870.30 × 2,772,071.40
  4. Step 4: Simplify right side
    3,886,285.80x = 16,194,081,581,139.42
  5. Step 5: Solve for x
    x = 16,194,081,581,139.42/3,886,285.80
  6. Step 6: Final answer
    x = 4,166,981.64

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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.