Finding the Fourth Proportional to 4,106,172.78, 6,161,059.68 and 1,948,756.06
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Solution
The fourth proportional to 4,106,172.78, 6,161,059.68 and 1,948,756.06 is: 2,923,988.60
Step by Step Solution
- Step 1: Write the proportion equation
4,106,172.78 : 6,161,059.68 = 1,948,756.06 : x - Step 2: Convert to fraction form
4,106,172.78/6,161,059.68 = 1,948,756.06/x - Step 3: Cross multiply
4,106,172.78x = 6,161,059.68 × 1,948,756.06 - Step 4: Simplify right side
4,106,172.78x = 12,006,402,387,421.66 - Step 5: Solve for x
x = 12,006,402,387,421.66/4,106,172.78 - Step 6: Final answer
x = 2,923,988.60
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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.