Finding the Fourth Proportional to 5,698,734.79, 7,864,266.99 and 3,085,266.40
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Solution
The fourth proportional to 5,698,734.79, 7,864,266.99 and 3,085,266.40 is: 4,257,674.66
Step by Step Solution
- Step 1: Write the proportion equation
5,698,734.79 : 7,864,266.99 = 3,085,266.40 : x - Step 2: Convert to fraction form
5,698,734.79/7,864,266.99 = 3,085,266.40/x - Step 3: Cross multiply
5,698,734.79x = 7,864,266.99 × 3,085,266.40 - Step 4: Simplify right side
5,698,734.79x = 24,263,358,704,876.14 - Step 5: Solve for x
x = 24,263,358,704,876.14/5,698,734.79 - Step 6: Final answer
x = 4,257,674.66
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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.