Finding the Fourth Proportional to 6,503,817.54, 8,974,541.91 and 3,602,488.68
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Solution
The fourth proportional to 6,503,817.54, 8,974,541.91 and 3,602,488.68 is: 4,971,032.08
Step by Step Solution
- Step 1: Write the proportion equation
6,503,817.54 : 8,974,541.91 = 3,602,488.68 : x - Step 2: Convert to fraction form
6,503,817.54/8,974,541.91 = 3,602,488.68/x - Step 3: Cross multiply
6,503,817.54x = 8,974,541.91 × 3,602,488.68 - Step 4: Simplify right side
6,503,817.54x = 32,330,685,638,960.58 - Step 5: Solve for x
x = 32,330,685,638,960.58/6,503,817.54 - Step 6: Final answer
x = 4,971,032.08
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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.