Finding the Fourth Proportional to 2,143,743.96, 3,211,411.95 and 1,243,294.08
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Solution
The fourth proportional to 2,143,743.96, 3,211,411.95 and 1,243,294.08 is: 1,862,502.96
Step by Step Solution
- Step 1: Write the proportion equation
2,143,743.96 : 3,211,411.95 = 1,243,294.08 : x - Step 2: Convert to fraction form
2,143,743.96/3,211,411.95 = 1,243,294.08/x - Step 3: Cross multiply
2,143,743.96x = 3,211,411.95 × 1,243,294.08 - Step 4: Simplify right side
2,143,743.96x = 3,992,729,465,876.26 - Step 5: Solve for x
x = 3,992,729,465,876.26/2,143,743.96 - Step 6: Final answer
x = 1,862,502.96
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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.