Finding the Fourth Proportional to 2,318,544.80, 3,474,823.74 and 1,038,214.86
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Solution
The fourth proportional to 2,318,544.80, 3,474,823.74 and 1,038,214.86 is: 1,555,981.86
Step by Step Solution
- Step 1: Write the proportion equation
2,318,544.80 : 3,474,823.74 = 1,038,214.86 : x - Step 2: Convert to fraction form
2,318,544.80/3,474,823.74 = 1,038,214.86/x - Step 3: Cross multiply
2,318,544.80x = 3,474,823.74 × 1,038,214.86 - Step 4: Simplify right side
2,318,544.80x = 3,607,613,642,748.78 - Step 5: Solve for x
x = 3,607,613,642,748.78/2,318,544.80 - Step 6: Final answer
x = 1,555,981.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.