Finding the Fourth Proportional to 2,318,217.68, 3,199,293.96 and 1,299,688.40
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Solution
The fourth proportional to 2,318,217.68, 3,199,293.96 and 1,299,688.40 is: 1,793,656.08
Step by Step Solution
- Step 1: Write the proportion equation
2,318,217.68 : 3,199,293.96 = 1,299,688.40 : x - Step 2: Convert to fraction form
2,318,217.68/3,199,293.96 = 1,299,688.40/x - Step 3: Cross multiply
2,318,217.68x = 3,199,293.96 × 1,299,688.40 - Step 4: Simplify right side
2,318,217.68x = 4,158,085,248,002.06 - Step 5: Solve for x
x = 4,158,085,248,002.06/2,318,217.68 - Step 6: Final answer
x = 1,793,656.08
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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.