Finding the Fourth Proportional to 3,336,312.91, 4,604,107.39 and 1,808,419.63
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Solution
The fourth proportional to 3,336,312.91, 4,604,107.39 and 1,808,419.63 is: 2,495,616.69
Step by Step Solution
- Step 1: Write the proportion equation
3,336,312.91 : 4,604,107.39 = 1,808,419.63 : x - Step 2: Convert to fraction form
3,336,312.91/4,604,107.39 = 1,808,419.63/x - Step 3: Cross multiply
3,336,312.91x = 4,604,107.39 × 1,808,419.63 - Step 4: Simplify right side
3,336,312.91x = 8,326,158,182,704.07 - Step 5: Solve for x
x = 8,326,158,182,704.07/3,336,312.91 - Step 6: Final answer
x = 2,495,616.69
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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.