Finding the Fourth Proportional to 5,360,879.60, 8,042,820.60 and 2,168,248.40
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Solution
The fourth proportional to 5,360,879.60, 8,042,820.60 and 2,168,248.40 is: 3,252,979.77
Step by Step Solution
- Step 1: Write the proportion equation
5,360,879.60 : 8,042,820.60 = 2,168,248.40 : x - Step 2: Convert to fraction form
5,360,879.60/8,042,820.60 = 2,168,248.40/x - Step 3: Cross multiply
5,360,879.60x = 8,042,820.60 × 2,168,248.40 - Step 4: Simplify right side
5,360,879.60x = 17,438,832,897,437.04 - Step 5: Solve for x
x = 17,438,832,897,437.04/5,360,879.60 - Step 6: Final answer
x = 3,252,979.77
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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.