Finding the Fourth Proportional to 4,602,385.90, 6,903,578.65 and 4,372,248.58
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Solution
The fourth proportional to 4,602,385.90, 6,903,578.65 and 4,372,248.58 is: 6,558,372.68
Step by Step Solution
- Step 1: Write the proportion equation
4,602,385.90 : 6,903,578.65 = 4,372,248.58 : x - Step 2: Convert to fraction form
4,602,385.90/6,903,578.65 = 4,372,248.58/x - Step 3: Cross multiply
4,602,385.90x = 6,903,578.65 × 4,372,248.58 - Step 4: Simplify right side
4,602,385.90x = 30,184,161,949,380.82 - Step 5: Solve for x
x = 30,184,161,949,380.82/4,602,385.90 - Step 6: Final answer
x = 6,558,372.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.