Finding the Fourth Proportional to 1,604,283.41, 2,213,082.94 and 1,087,862.65
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Solution
The fourth proportional to 1,604,283.41, 2,213,082.94 and 1,087,862.65 is: 1,500,688.88
Step by Step Solution
- Step 1: Write the proportion equation
1,604,283.41 : 2,213,082.94 = 1,087,862.65 : x - Step 2: Convert to fraction form
1,604,283.41/2,213,082.94 = 1,087,862.65/x - Step 3: Cross multiply
1,604,283.41x = 2,213,082.94 × 1,087,862.65 - Step 4: Simplify right side
1,604,283.41x = 2,407,530,271,778.19 - Step 5: Solve for x
x = 2,407,530,271,778.19/1,604,283.41 - Step 6: Final answer
x = 1,500,688.88
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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.