Finding the Fourth Proportional to 1,670,768.31, 2,305,598.58 and 906,805.47
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Solution
The fourth proportional to 1,670,768.31, 2,305,598.58 and 906,805.47 is: 1,251,358.07
Step by Step Solution
- Step 1: Write the proportion equation
1,670,768.31 : 2,305,598.58 = 906,805.47 : x - Step 2: Convert to fraction form
1,670,768.31/2,305,598.58 = 906,805.47/x - Step 3: Cross multiply
1,670,768.31x = 2,305,598.58 × 906,805.47 - Step 4: Simplify right side
1,670,768.31x = 2,090,729,403,968.23 - Step 5: Solve for x
x = 2,090,729,403,968.23/1,670,768.31 - Step 6: Final answer
x = 1,251,358.07
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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.