Finding the Fourth Proportional to 6,348,435.68, 8,762,236.24 and 4,173,179.84
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Solution
The fourth proportional to 6,348,435.68, 8,762,236.24 and 4,173,179.84 is: 5,759,905.19
Step by Step Solution
- Step 1: Write the proportion equation
6,348,435.68 : 8,762,236.24 = 4,173,179.84 : x - Step 2: Convert to fraction form
6,348,435.68/8,762,236.24 = 4,173,179.84/x - Step 3: Cross multiply
6,348,435.68x = 8,762,236.24 × 4,173,179.84 - Step 4: Simplify right side
6,348,435.68x = 36,566,387,630,085.40 - Step 5: Solve for x
x = 36,566,387,630,085.40/6,348,435.68 - Step 6: Final answer
x = 5,759,905.19
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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.