Finding the Fourth Proportional to 5,194,970.37, 7,168,438.08 and 2,871,549.09
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Solution
The fourth proportional to 5,194,970.37, 7,168,438.08 and 2,871,549.09 is: 3,962,394.47
Step by Step Solution
- Step 1: Write the proportion equation
5,194,970.37 : 7,168,438.08 = 2,871,549.09 : x - Step 2: Convert to fraction form
5,194,970.37/7,168,438.08 = 2,871,549.09/x - Step 3: Cross multiply
5,194,970.37x = 7,168,438.08 × 2,871,549.09 - Step 4: Simplify right side
5,194,970.37x = 20,584,521,845,345.35 - Step 5: Solve for x
x = 20,584,521,845,345.35/5,194,970.37 - Step 6: Final answer
x = 3,962,394.47
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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.