Finding the Fourth Proportional to 1,642,312.36, 2,266,582.26 and 1,366,182.42
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Solution
The fourth proportional to 1,642,312.36, 2,266,582.26 and 1,366,182.42 is: 1,885,490.79
Step by Step Solution
- Step 1: Write the proportion equation
1,642,312.36 : 2,266,582.26 = 1,366,182.42 : x - Step 2: Convert to fraction form
1,642,312.36/2,266,582.26 = 1,366,182.42/x - Step 3: Cross multiply
1,642,312.36x = 2,266,582.26 × 1,366,182.42 - Step 4: Simplify right side
1,642,312.36x = 3,096,564,837,095.87 - Step 5: Solve for x
x = 3,096,564,837,095.87/1,642,312.36 - Step 6: Final answer
x = 1,885,490.79
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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.