Finding the Fourth Proportional to 1,681,282.20, 2,519,153.10 and 970,069.80
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Solution
The fourth proportional to 1,681,282.20, 2,519,153.10 and 970,069.80 is: 1,453,506.34
Step by Step Solution
- Step 1: Write the proportion equation
1,681,282.20 : 2,519,153.10 = 970,069.80 : x - Step 2: Convert to fraction form
1,681,282.20/2,519,153.10 = 970,069.80/x - Step 3: Cross multiply
1,681,282.20x = 2,519,153.10 × 970,069.80 - Step 4: Simplify right side
1,681,282.20x = 2,443,754,343,886.38 - Step 5: Solve for x
x = 2,443,754,343,886.38/1,681,282.20 - Step 6: Final answer
x = 1,453,506.34
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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.