Finding the Fourth Proportional to 1,543,727.31, 2,130,374.53 and 899,189.02
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Solution
The fourth proportional to 1,543,727.31, 2,130,374.53 and 899,189.02 is: 1,240,898.82
Step by Step Solution
- Step 1: Write the proportion equation
1,543,727.31 : 2,130,374.53 = 899,189.02 : x - Step 2: Convert to fraction form
1,543,727.31/2,130,374.53 = 899,189.02/x - Step 3: Cross multiply
1,543,727.31x = 2,130,374.53 × 899,189.02 - Step 4: Simplify right side
1,543,727.31x = 1,915,609,396,906.82 - Step 5: Solve for x
x = 1,915,609,396,906.82/1,543,727.31 - Step 6: Final answer
x = 1,240,898.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.