Finding the Fourth Proportional to 5,228,471.52, 7,842,781.08 and 1,390,360.02
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Solution
The fourth proportional to 5,228,471.52, 7,842,781.08 and 1,390,360.02 is: 2,085,559.65
Step by Step Solution
- Step 1: Write the proportion equation
5,228,471.52 : 7,842,781.08 = 1,390,360.02 : x - Step 2: Convert to fraction form
5,228,471.52/7,842,781.08 = 1,390,360.02/x - Step 3: Cross multiply
5,228,471.52x = 7,842,781.08 × 1,390,360.02 - Step 4: Simplify right side
5,228,471.52x = 10,904,289,259,244.42 - Step 5: Solve for x
x = 10,904,289,259,244.42/5,228,471.52 - Step 6: Final answer
x = 2,085,559.65
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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.