Finding the Fourth Proportional to 5,135,663.15, 7,087,128 and 2,843,774.63
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Solution
The fourth proportional to 5,135,663.15, 7,087,128 and 2,843,774.63 is: 3,924,360.73
Step by Step Solution
- Step 1: Write the proportion equation
5,135,663.15 : 7,087,128 = 2,843,774.63 : x - Step 2: Convert to fraction form
5,135,663.15/7,087,128 = 2,843,774.63/x - Step 3: Cross multiply
5,135,663.15x = 7,087,128 × 2,843,774.63 - Step 4: Simplify right side
5,135,663.15x = 20,154,194,805,962.64 - Step 5: Solve for x
x = 20,154,194,805,962.64/5,135,663.15 - Step 6: Final answer
x = 3,924,360.73
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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.