Finding the Fourth Proportional to 1,139,244.08, 1,572,184.14 and 649,203.12
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Solution
The fourth proportional to 1,139,244.08, 1,572,184.14 and 649,203.12 is: 895,915.87
Step by Step Solution
- Step 1: Write the proportion equation
1,139,244.08 : 1,572,184.14 = 649,203.12 : x - Step 2: Convert to fraction form
1,139,244.08/1,572,184.14 = 649,203.12/x - Step 3: Cross multiply
1,139,244.08x = 1,572,184.14 × 649,203.12 - Step 4: Simplify right side
1,139,244.08x = 1,020,666,848,902.52 - Step 5: Solve for x
x = 1,020,666,848,902.52/1,139,244.08 - Step 6: Final answer
x = 895,915.87
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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.