Finding the Fourth Proportional to 4,979,193.55, 6,871,498.35 and 2,774,054.41
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Solution
The fourth proportional to 4,979,193.55, 6,871,498.35 and 2,774,054.41 is: 3,828,312.78
Step by Step Solution
- Step 1: Write the proportion equation
4,979,193.55 : 6,871,498.35 = 2,774,054.41 : x - Step 2: Convert to fraction form
4,979,193.55/6,871,498.35 = 2,774,054.41/x - Step 3: Cross multiply
4,979,193.55x = 6,871,498.35 × 2,774,054.41 - Step 4: Simplify right side
4,979,193.55x = 19,061,910,301,125.22 - Step 5: Solve for x
x = 19,061,910,301,125.22/4,979,193.55 - Step 6: Final answer
x = 3,828,312.78
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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.