Finding the Fourth Proportional to 6,409,121.84, 8,835,165.24 and 4,878,563.12
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Solution
The fourth proportional to 6,409,121.84, 8,835,165.24 and 4,878,563.12 is: 6,725,244.48
Step by Step Solution
- Step 1: Write the proportion equation
6,409,121.84 : 8,835,165.24 = 4,878,563.12 : x - Step 2: Convert to fraction form
6,409,121.84/8,835,165.24 = 4,878,563.12/x - Step 3: Cross multiply
6,409,121.84x = 8,835,165.24 × 4,878,563.12 - Step 4: Simplify right side
6,409,121.84x = 43,102,911,298,969.95 - Step 5: Solve for x
x = 43,102,911,298,969.95/6,409,121.84 - Step 6: Final answer
x = 6,725,244.48
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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.