Finding the Fourth Proportional to 1,640,937.36, 2,264,607.28 and 915,926.48
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Solution
The fourth proportional to 1,640,937.36, 2,264,607.28 and 915,926.48 is: 1,264,042.02
Step by Step Solution
- Step 1: Write the proportion equation
1,640,937.36 : 2,264,607.28 = 915,926.48 : x - Step 2: Convert to fraction form
1,640,937.36/2,264,607.28 = 915,926.48/x - Step 3: Cross multiply
1,640,937.36x = 2,264,607.28 × 915,926.48 - Step 4: Simplify right side
1,640,937.36x = 2,074,213,774,552.77 - Step 5: Solve for x
x = 2,074,213,774,552.77/1,640,937.36 - Step 6: Final answer
x = 1,264,042.02
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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.