Finding the Fourth Proportional to 4,979,032.12, 6,871,924.74 and 2,885,582.26
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Solution
The fourth proportional to 4,979,032.12, 6,871,924.74 and 2,885,582.26 is: 3,982,602.17
Step by Step Solution
- Step 1: Write the proportion equation
4,979,032.12 : 6,871,924.74 = 2,885,582.26 : x - Step 2: Convert to fraction form
4,979,032.12/6,871,924.74 = 2,885,582.26/x - Step 3: Cross multiply
4,979,032.12x = 6,871,924.74 × 2,885,582.26 - Step 4: Simplify right side
4,979,032.12x = 19,829,504,121,799.11 - Step 5: Solve for x
x = 19,829,504,121,799.11/4,979,032.12 - Step 6: Final answer
x = 3,982,602.17
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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.