Finding the Fourth Proportional to 1,412,657.35, 2,118,939.18 and 613,939.84
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Solution
The fourth proportional to 1,412,657.35, 2,118,939.18 and 613,939.84 is: 920,889.40
Step by Step Solution
- Step 1: Write the proportion equation
1,412,657.35 : 2,118,939.18 = 613,939.84 : x - Step 2: Convert to fraction form
1,412,657.35/2,118,939.18 = 613,939.84/x - Step 3: Cross multiply
1,412,657.35x = 2,118,939.18 × 613,939.84 - Step 4: Simplify right side
1,412,657.35x = 1,300,901,181,138.93 - Step 5: Solve for x
x = 1,300,901,181,138.93/1,412,657.35 - Step 6: Final answer
x = 920,889.40
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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.