Finding the Fourth Proportional to 2,124,789.47, 3,186,918.93 and 861,403.23
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Solution
The fourth proportional to 2,124,789.47, 3,186,918.93 and 861,403.23 is: 1,291,997.30
Step by Step Solution
- Step 1: Write the proportion equation
2,124,789.47 : 3,186,918.93 = 861,403.23 : x - Step 2: Convert to fraction form
2,124,789.47/3,186,918.93 = 861,403.23/x - Step 3: Cross multiply
2,124,789.47x = 3,186,918.93 × 861,403.23 - Step 4: Simplify right side
2,124,789.47x = 2,745,222,255,743.13 - Step 5: Solve for x
x = 2,745,222,255,743.13/2,124,789.47 - Step 6: Final answer
x = 1,291,997.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.