Finding the Fourth Proportional to 4,791,801.84, 6,612,778.61 and 2,616,431.21
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Solution
The fourth proportional to 4,791,801.84, 6,612,778.61 and 2,616,431.21 is: 3,610,725.34
Step by Step Solution
- Step 1: Write the proportion equation
4,791,801.84 : 6,612,778.61 = 2,616,431.21 : x - Step 2: Convert to fraction form
4,791,801.84/6,612,778.61 = 2,616,431.21/x - Step 3: Cross multiply
4,791,801.84x = 6,612,778.61 × 2,616,431.21 - Step 4: Simplify right side
4,791,801.84x = 17,301,880,340,024.42 - Step 5: Solve for x
x = 17,301,880,340,024.42/4,791,801.84 - Step 6: Final answer
x = 3,610,725.34
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1.5x scale
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.