Finding the Fourth Proportional to 2,328,536.05, 3,213,374.85 and 1,309,940.80
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Solution
The fourth proportional to 2,328,536.05, 3,213,374.85 and 1,309,940.80 is: 1,807,715.55
Step by Step Solution
- Step 1: Write the proportion equation
2,328,536.05 : 3,213,374.85 = 1,309,940.80 : x - Step 2: Convert to fraction form
2,328,536.05/3,213,374.85 = 1,309,940.80/x - Step 3: Cross multiply
2,328,536.05x = 3,213,374.85 × 1,309,940.80 - Step 4: Simplify right side
2,328,536.05x = 4,209,330,805,642.01 - Step 5: Solve for x
x = 4,209,330,805,642.01/2,328,536.05 - Step 6: Final answer
x = 1,807,715.55
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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.