Finding the Fourth Proportional to 4,899,412.35, 7,348,643.43 and 1,487,728.53
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Solution
The fourth proportional to 4,899,412.35, 7,348,643.43 and 1,487,728.53 is: 2,231,448.53
Step by Step Solution
- Step 1: Write the proportion equation
4,899,412.35 : 7,348,643.43 = 1,487,728.53 : x - Step 2: Convert to fraction form
4,899,412.35/7,348,643.43 = 1,487,728.53/x - Step 3: Cross multiply
4,899,412.35x = 7,348,643.43 × 1,487,728.53 - Step 4: Simplify right side
4,899,412.35x = 10,932,786,487,608.06 - Step 5: Solve for x
x = 10,932,786,487,608.06/4,899,412.35 - Step 6: Final answer
x = 2,231,448.53
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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.