Finding the Fourth Proportional to 2,972,592.36, 4,102,185.40 and 1,748,943.99
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Solution
The fourth proportional to 2,972,592.36, 4,102,185.40 and 1,748,943.99 is: 2,413,547.38
Step by Step Solution
- Step 1: Write the proportion equation
2,972,592.36 : 4,102,185.40 = 1,748,943.99 : x - Step 2: Convert to fraction form
2,972,592.36/4,102,185.40 = 1,748,943.99/x - Step 3: Cross multiply
2,972,592.36x = 4,102,185.40 × 1,748,943.99 - Step 4: Simplify right side
2,972,592.36x = 7,174,492,496,823.39 - Step 5: Solve for x
x = 7,174,492,496,823.39/2,972,592.36 - Step 6: Final answer
x = 2,413,547.38
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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.