Finding the Fourth Proportional to 3,938,998.68, 5,906,135.70 and 1,806,411
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Solution
The fourth proportional to 3,938,998.68, 5,906,135.70 and 1,806,411 is: 2,708,533.15
Step by Step Solution
- Step 1: Write the proportion equation
3,938,998.68 : 5,906,135.70 = 1,806,411 : x - Step 2: Convert to fraction form
3,938,998.68/5,906,135.70 = 1,806,411/x - Step 3: Cross multiply
3,938,998.68x = 5,906,135.70 × 1,806,411 - Step 4: Simplify right side
3,938,998.68x = 10,668,908,495,972.70 - Step 5: Solve for x
x = 10,668,908,495,972.70/3,938,998.68 - Step 6: Final answer
x = 2,708,533.15
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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.