Finding the Fourth Proportional to 2,238,767.97, 3,089,582.36 and 1,272,061.99
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Solution
The fourth proportional to 2,238,767.97, 3,089,582.36 and 1,272,061.99 is: 1,755,492.46
Step by Step Solution
- Step 1: Write the proportion equation
2,238,767.97 : 3,089,582.36 = 1,272,061.99 : x - Step 2: Convert to fraction form
2,238,767.97/3,089,582.36 = 1,272,061.99/x - Step 3: Cross multiply
2,238,767.97x = 3,089,582.36 × 1,272,061.99 - Step 4: Simplify right side
2,238,767.97x = 3,930,140,285,130.50 - Step 5: Solve for x
x = 3,930,140,285,130.50/2,238,767.97 - Step 6: Final answer
x = 1,755,492.46
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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.