Finding the Fourth Proportional to 3,673,278.98, 5,509,974.06 and 1,398,929.28
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Solution
The fourth proportional to 3,673,278.98, 5,509,974.06 and 1,398,929.28 is: 2,098,415.09
Step by Step Solution
- Step 1: Write the proportion equation
3,673,278.98 : 5,509,974.06 = 1,398,929.28 : x - Step 2: Convert to fraction form
3,673,278.98/5,509,974.06 = 1,398,929.28/x - Step 3: Cross multiply
3,673,278.98x = 5,509,974.06 × 1,398,929.28 - Step 4: Simplify right side
3,673,278.98x = 7,708,064,044,574.48 - Step 5: Solve for x
x = 7,708,064,044,574.48/3,673,278.98 - Step 6: Final answer
x = 2,098,415.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.