Finding the Fourth Proportional to 1,791,510, 2,473,926.87 and 1,138,351.20
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Solution
The fourth proportional to 1,791,510, 2,473,926.87 and 1,138,351.20 is: 1,571,968.69
Step by Step Solution
- Step 1: Write the proportion equation
1,791,510 : 2,473,926.87 = 1,138,351.20 : x - Step 2: Convert to fraction form
1,791,510/2,473,926.87 = 1,138,351.20/x - Step 3: Cross multiply
1,791,510x = 2,473,926.87 × 1,138,351.20 - Step 4: Simplify right side
1,791,510x = 2,816,197,621,176.74 - Step 5: Solve for x
x = 2,816,197,621,176.74/1,791,510 - Step 6: Final answer
x = 1,571,968.69
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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.