Finding the Fourth Proportional to 1,490,659.19, 2,057,171.49 and 846,139.35
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Solution
The fourth proportional to 1,490,659.19, 2,057,171.49 and 846,139.35 is: 1,167,707.39
Step by Step Solution
- Step 1: Write the proportion equation
1,490,659.19 : 2,057,171.49 = 846,139.35 : x - Step 2: Convert to fraction form
1,490,659.19/2,057,171.49 = 846,139.35/x - Step 3: Cross multiply
1,490,659.19x = 2,057,171.49 × 846,139.35 - Step 4: Simplify right side
1,490,659.19x = 1,740,653,747,387.13 - Step 5: Solve for x
x = 1,740,653,747,387.13/1,490,659.19 - Step 6: Final answer
x = 1,167,707.39
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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.