Finding the Fourth Proportional to 1,506,203.82, 2,078,574.75 and 827,145.18
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Solution
The fourth proportional to 1,506,203.82, 2,078,574.75 and 827,145.18 is: 1,141,467.75
Step by Step Solution
- Step 1: Write the proportion equation
1,506,203.82 : 2,078,574.75 = 827,145.18 : x - Step 2: Convert to fraction form
1,506,203.82/2,078,574.75 = 827,145.18/x - Step 3: Cross multiply
1,506,203.82x = 2,078,574.75 × 827,145.18 - Step 4: Simplify right side
1,506,203.82x = 1,719,283,085,732.21 - Step 5: Solve for x
x = 1,719,283,085,732.21/1,506,203.82 - Step 6: Final answer
x = 1,141,467.75
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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.