Finding the Fourth Proportional to 1,366,246.32, 1,885,579.84 and 1,136,398.09
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Solution
The fourth proportional to 1,366,246.32, 1,885,579.84 and 1,136,398.09 is: 1,568,362.38
Step by Step Solution
- Step 1: Write the proportion equation
1,366,246.32 : 1,885,579.84 = 1,136,398.09 : x - Step 2: Convert to fraction form
1,366,246.32/1,885,579.84 = 1,136,398.09/x - Step 3: Cross multiply
1,366,246.32x = 1,885,579.84 × 1,136,398.09 - Step 4: Simplify right side
1,366,246.32x = 2,142,769,328,718.51 - Step 5: Solve for x
x = 2,142,769,328,718.51/1,366,246.32 - Step 6: Final answer
x = 1,568,362.38
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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.