Finding the Fourth Proportional to 1,326,875.70, 1,987,396.18 and 1,096,561.11
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Solution
The fourth proportional to 1,326,875.70, 1,987,396.18 and 1,096,561.11 is: 1,642,430.68
Step by Step Solution
- Step 1: Write the proportion equation
1,326,875.70 : 1,987,396.18 = 1,096,561.11 : x - Step 2: Convert to fraction form
1,326,875.70/1,987,396.18 = 1,096,561.11/x - Step 3: Cross multiply
1,326,875.70x = 1,987,396.18 × 1,096,561.11 - Step 4: Simplify right side
1,326,875.70x = 2,179,301,357,766.87 - Step 5: Solve for x
x = 2,179,301,357,766.87/1,326,875.70 - Step 6: Final answer
x = 1,642,430.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.