Finding the Fourth Proportional to 1,670,784.18, 2,305,684.44 and 906,837.84
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Solution
The fourth proportional to 1,670,784.18, 2,305,684.44 and 906,837.84 is: 1,251,437.45
Step by Step Solution
- Step 1: Write the proportion equation
1,670,784.18 : 2,305,684.44 = 906,837.84 : x - Step 2: Convert to fraction form
1,670,784.18/2,305,684.44 = 906,837.84/x - Step 3: Cross multiply
1,670,784.18x = 2,305,684.44 × 906,837.84 - Step 4: Simplify right side
1,670,784.18x = 2,090,881,897,291.21 - Step 5: Solve for x
x = 2,090,881,897,291.21/1,670,784.18 - Step 6: Final answer
x = 1,251,437.45
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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.