Finding the Fourth Proportional to 1,496,354.12, 2,064,979.38 and 817,290.44
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Solution
The fourth proportional to 1,496,354.12, 2,064,979.38 and 817,290.44 is: 1,127,866.65
Step by Step Solution
- Step 1: Write the proportion equation
1,496,354.12 : 2,064,979.38 = 817,290.44 : x - Step 2: Convert to fraction form
1,496,354.12/2,064,979.38 = 817,290.44/x - Step 3: Cross multiply
1,496,354.12x = 2,064,979.38 × 817,290.44 - Step 4: Simplify right side
1,496,354.12x = 1,687,687,906,071.13 - Step 5: Solve for x
x = 1,687,687,906,071.13/1,496,354.12 - Step 6: Final answer
x = 1,127,866.65
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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.