Finding the Fourth Proportional to 2,190,519.47, 3,272,119.21 and 1,623,008.99
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Solution
The fourth proportional to 2,190,519.47, 3,272,119.21 and 1,623,008.99 is: 2,424,392.46
Step by Step Solution
- Step 1: Write the proportion equation
2,190,519.47 : 3,272,119.21 = 1,623,008.99 : x - Step 2: Convert to fraction form
2,190,519.47/3,272,119.21 = 1,623,008.99/x - Step 3: Cross multiply
2,190,519.47x = 3,272,119.21 × 1,623,008.99 - Step 4: Simplify right side
2,190,519.47x = 5,310,678,873,763.58 - Step 5: Solve for x
x = 5,310,678,873,763.58/2,190,519.47 - Step 6: Final answer
x = 2,424,392.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.