Finding the Fourth Proportional to 1,781,749.86, 2,460,844.62 and 1,207,793.58
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Solution
The fourth proportional to 1,781,749.86, 2,460,844.62 and 1,207,793.58 is: 1,668,131.09
Step by Step Solution
- Step 1: Write the proportion equation
1,781,749.86 : 2,460,844.62 = 1,207,793.58 : x - Step 2: Convert to fraction form
1,781,749.86/2,460,844.62 = 1,207,793.58/x - Step 3: Cross multiply
1,781,749.86x = 2,460,844.62 × 1,207,793.58 - Step 4: Simplify right side
1,781,749.86x = 2,972,192,333,268.02 - Step 5: Solve for x
x = 2,972,192,333,268.02/1,781,749.86 - Step 6: Final answer
x = 1,668,131.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.