Finding the Fourth Proportional to 5,690,661.24, 7,853,316.93 and 3,243,641.52
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Solution
The fourth proportional to 5,690,661.24, 7,853,316.93 and 3,243,641.52 is: 4,476,341.81
Step by Step Solution
- Step 1: Write the proportion equation
5,690,661.24 : 7,853,316.93 = 3,243,641.52 : x - Step 2: Convert to fraction form
5,690,661.24/7,853,316.93 = 3,243,641.52/x - Step 3: Cross multiply
5,690,661.24x = 7,853,316.93 × 3,243,641.52 - Step 4: Simplify right side
5,690,661.24x = 25,473,344,871,336.57 - Step 5: Solve for x
x = 25,473,344,871,336.57/5,690,661.24 - Step 6: Final answer
x = 4,476,341.81
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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.