Finding the Fourth Proportional to 2,178,776.08, 3,268,164.42 and 581,345.12
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Solution
The fourth proportional to 2,178,776.08, 3,268,164.42 and 581,345.12 is: 872,017.76
Step by Step Solution
- Step 1: Write the proportion equation
2,178,776.08 : 3,268,164.42 = 581,345.12 : x - Step 2: Convert to fraction form
2,178,776.08/3,268,164.42 = 581,345.12/x - Step 3: Cross multiply
2,178,776.08x = 3,268,164.42 × 581,345.12 - Step 4: Simplify right side
2,178,776.08x = 1,899,931,436,924.63 - Step 5: Solve for x
x = 1,899,931,436,924.63/2,178,776.08 - Step 6: Final answer
x = 872,017.76
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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.