Finding the Fourth Proportional to 1,461,646.80, 2,189,359.80 and 1,212,814.80
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Solution
The fourth proportional to 1,461,646.80, 2,189,359.80 and 1,212,814.80 is: 1,816,641.32
Step by Step Solution
- Step 1: Write the proportion equation
1,461,646.80 : 2,189,359.80 = 1,212,814.80 : x - Step 2: Convert to fraction form
1,461,646.80/2,189,359.80 = 1,212,814.80/x - Step 3: Cross multiply
1,461,646.80x = 2,189,359.80 × 1,212,814.80 - Step 4: Simplify right side
1,461,646.80x = 2,655,287,967,965.04 - Step 5: Solve for x
x = 2,655,287,967,965.04/1,461,646.80 - Step 6: Final answer
x = 1,816,641.32
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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.