Finding the Fourth Proportional to 4,543,005.07, 6,270,025.89 and 2,913,252.67
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Solution
The fourth proportional to 4,543,005.07, 6,270,025.89 and 2,913,252.67 is: 4,020,724.03
Step by Step Solution
- Step 1: Write the proportion equation
4,543,005.07 : 6,270,025.89 = 2,913,252.67 : x - Step 2: Convert to fraction form
4,543,005.07/6,270,025.89 = 2,913,252.67/x - Step 3: Cross multiply
4,543,005.07x = 6,270,025.89 × 2,913,252.67 - Step 4: Simplify right side
4,543,005.07x = 18,266,169,665,011.62 - Step 5: Solve for x
x = 18,266,169,665,011.62/4,543,005.07 - Step 6: Final answer
x = 4,020,724.03
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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.