Finding the Fourth Proportional to 2,968,972.05, 4,095,963.49 and 1,806,486.40
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Solution
The fourth proportional to 2,968,972.05, 4,095,963.49 and 1,806,486.40 is: 2,492,210.17
Step by Step Solution
- Step 1: Write the proportion equation
2,968,972.05 : 4,095,963.49 = 1,806,486.40 : x - Step 2: Convert to fraction form
2,968,972.05/4,095,963.49 = 1,806,486.40/x - Step 3: Cross multiply
2,968,972.05x = 4,095,963.49 × 1,806,486.40 - Step 4: Simplify right side
2,968,972.05x = 7,399,302,339,581.54 - Step 5: Solve for x
x = 7,399,302,339,581.54/2,968,972.05 - Step 6: Final answer
x = 2,492,210.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.