Finding the Fourth Proportional to 4,014,460.79, 5,539,886.37 and 2,178,879.68
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Solution
The fourth proportional to 4,014,460.79, 5,539,886.37 and 2,178,879.68 is: 3,006,816.23
Step by Step Solution
- Step 1: Write the proportion equation
4,014,460.79 : 5,539,886.37 = 2,178,879.68 : x - Step 2: Convert to fraction form
4,014,460.79/5,539,886.37 = 2,178,879.68/x - Step 3: Cross multiply
4,014,460.79x = 5,539,886.37 × 2,178,879.68 - Step 4: Simplify right side
4,014,460.79x = 12,070,745,841,101.96 - Step 5: Solve for x
x = 12,070,745,841,101.96/4,014,460.79 - Step 6: Final answer
x = 3,006,816.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.