Home / 1,686,666.03-2,529,997.08-549,426.40

Finding the Fourth Proportional to 1,686,666.03, 2,529,997.08 and 549,426.40

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Solution

The fourth proportional to 1,686,666.03, 2,529,997.08 and 549,426.40 is: 824,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,666.03 : 2,529,997.08 = 549,426.40 : x
  2. Step 2: Convert to fraction form
    1,686,666.03/2,529,997.08 = 549,426.40/x
  3. Step 3: Cross multiply
    1,686,666.03x = 2,529,997.08 × 549,426.40
  4. Step 4: Simplify right side
    1,686,666.03x = 1,390,047,179,458.91
  5. Step 5: Solve for x
    x = 1,390,047,179,458.91/1,686,666.03
  6. Step 6: Final answer
    x = 824,138.95

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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.