Finding the Fourth Proportional to 2,090,397.96, 3,135,908.52 and 742,447.32
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Solution
The fourth proportional to 2,090,397.96, 3,135,908.52 and 742,447.32 is: 1,113,781.64
Step by Step Solution
- Step 1: Write the proportion equation
2,090,397.96 : 3,135,908.52 = 742,447.32 : x - Step 2: Convert to fraction form
2,090,397.96/3,135,908.52 = 742,447.32/x - Step 3: Cross multiply
2,090,397.96x = 3,135,908.52 × 742,447.32 - Step 4: Simplify right side
2,090,397.96x = 2,328,246,876,439.17 - Step 5: Solve for x
x = 2,328,246,876,439.17/2,090,397.96 - Step 6: Final answer
x = 1,113,781.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.