Finding the Fourth Proportional to 6,638,518.08, 9,163,185.84 and 3,885,849.36
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Solution
The fourth proportional to 6,638,518.08, 9,163,185.84 and 3,885,849.36 is: 5,363,660.90
Step by Step Solution
- Step 1: Write the proportion equation
6,638,518.08 : 9,163,185.84 = 3,885,849.36 : x - Step 2: Convert to fraction form
6,638,518.08/9,163,185.84 = 3,885,849.36/x - Step 3: Cross multiply
6,638,518.08x = 9,163,185.84 × 3,885,849.36 - Step 4: Simplify right side
6,638,518.08x = 35,606,759,831,925.06 - Step 5: Solve for x
x = 35,606,759,831,925.06/6,638,518.08 - Step 6: Final answer
x = 5,363,660.90
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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.