Finding the Fourth Proportional to 6,326,248.90, 8,730,265.05 and 3,425,639.98
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Solution
The fourth proportional to 6,326,248.90, 8,730,265.05 and 3,425,639.98 is: 4,727,405.68
Step by Step Solution
- Step 1: Write the proportion equation
6,326,248.90 : 8,730,265.05 = 3,425,639.98 : x - Step 2: Convert to fraction form
6,326,248.90/8,730,265.05 = 3,425,639.98/x - Step 3: Cross multiply
6,326,248.90x = 8,730,265.05 × 3,425,639.98 - Step 4: Simplify right side
6,326,248.90x = 29,906,744,991,276.70 - Step 5: Solve for x
x = 29,906,744,991,276.70/6,326,248.90 - Step 6: Final answer
x = 4,727,405.68
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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.