Finding the Fourth Proportional to 2,153,046.90, 2,971,338.93 and 1,186,176.99
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Solution
The fourth proportional to 2,153,046.90, 2,971,338.93 and 1,186,176.99 is: 1,636,998.19
Step by Step Solution
- Step 1: Write the proportion equation
2,153,046.90 : 2,971,338.93 = 1,186,176.99 : x - Step 2: Convert to fraction form
2,153,046.90/2,971,338.93 = 1,186,176.99/x - Step 3: Cross multiply
2,153,046.90x = 2,971,338.93 × 1,186,176.99 - Step 4: Simplify right side
2,153,046.90x = 3,524,533,868,257.22 - Step 5: Solve for x
x = 3,524,533,868,257.22/2,153,046.90 - Step 6: Final answer
x = 1,636,998.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.