Finding the Fourth Proportional to 4,089,498.30, 6,128,998.65 and 2,490,363.90
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Solution
The fourth proportional to 4,089,498.30, 6,128,998.65 and 2,490,363.90 is: 3,732,349.51
Step by Step Solution
- Step 1: Write the proportion equation
4,089,498.30 : 6,128,998.65 = 2,490,363.90 : x - Step 2: Convert to fraction form
4,089,498.30/6,128,998.65 = 2,490,363.90/x - Step 3: Cross multiply
4,089,498.30x = 6,128,998.65 × 2,490,363.90 - Step 4: Simplify right side
4,089,498.30x = 15,263,436,981,108.74 - Step 5: Solve for x
x = 15,263,436,981,108.74/4,089,498.30 - Step 6: Final answer
x = 3,732,349.51
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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.