Finding the Fourth Proportional to 4,512,616.55, 6,768,259.00 and 1,316,884.67
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Solution
The fourth proportional to 4,512,616.55, 6,768,259.00 and 1,316,884.67 is: 1,975,132.70
Step by Step Solution
- Step 1: Write the proportion equation
4,512,616.55 : 6,768,259.00 = 1,316,884.67 : x - Step 2: Convert to fraction form
4,512,616.55/6,768,259.00 = 1,316,884.67/x - Step 3: Cross multiply
4,512,616.55x = 6,768,259.00 × 1,316,884.67 - Step 4: Simplify right side
4,512,616.55x = 8,913,016,479,263.81 - Step 5: Solve for x
x = 8,913,016,479,263.81/4,512,616.55 - Step 6: Final answer
x = 1,975,132.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.