Home / 2,146,605.76-3,219,875.16-549,155.08

Finding the Fourth Proportional to 2,146,605.76, 3,219,875.16 and 549,155.08

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Solution

The fourth proportional to 2,146,605.76, 3,219,875.16 and 549,155.08 is: 823,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,605.76 : 3,219,875.16 = 549,155.08 : x
  2. Step 2: Convert to fraction form
    2,146,605.76/3,219,875.16 = 549,155.08/x
  3. Step 3: Cross multiply
    2,146,605.76x = 3,219,875.16 × 549,155.08
  4. Step 4: Simplify right side
    2,146,605.76x = 1,768,210,801,079.81
  5. Step 5: Solve for x
    x = 1,768,210,801,079.81/2,146,605.76
  6. Step 6: Final answer
    x = 823,724.05

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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.