Finding the Fourth Proportional to 1,645,150.16, 2,270,264.58 and 910,131.58
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Solution
The fourth proportional to 1,645,150.16, 2,270,264.58 and 910,131.58 is: 1,255,957.99
Step by Step Solution
- Step 1: Write the proportion equation
1,645,150.16 : 2,270,264.58 = 910,131.58 : x - Step 2: Convert to fraction form
1,645,150.16/2,270,264.58 = 910,131.58/x - Step 3: Cross multiply
1,645,150.16x = 2,270,264.58 × 910,131.58 - Step 4: Simplify right side
1,645,150.16x = 2,066,239,483,537.78 - Step 5: Solve for x
x = 2,066,239,483,537.78/1,645,150.16 - Step 6: Final answer
x = 1,255,957.99
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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.