Finding the Fourth Proportional to 4,937,641.76, 7,398,374.67 and 2,629,684.50
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Solution
The fourth proportional to 4,937,641.76, 7,398,374.67 and 2,629,684.50 is: 3,940,219.26
Step by Step Solution
- Step 1: Write the proportion equation
4,937,641.76 : 7,398,374.67 = 2,629,684.50 : x - Step 2: Convert to fraction form
4,937,641.76/7,398,374.67 = 2,629,684.50/x - Step 3: Cross multiply
4,937,641.76x = 7,398,374.67 × 2,629,684.50 - Step 4: Simplify right side
4,937,641.76x = 19,455,391,157,899.74 - Step 5: Solve for x
x = 19,455,391,157,899.74/4,937,641.76 - Step 6: Final answer
x = 3,940,219.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.