Finding the Fourth Proportional to 4,824,179.30, 6,660,482.99 and 2,990,597.09
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Solution
The fourth proportional to 4,824,179.30, 6,660,482.99 and 2,990,597.09 is: 4,128,955.36
Step by Step Solution
- Step 1: Write the proportion equation
4,824,179.30 : 6,660,482.99 = 2,990,597.09 : x - Step 2: Convert to fraction form
4,824,179.30/6,660,482.99 = 2,990,597.09/x - Step 3: Cross multiply
4,824,179.30x = 6,660,482.99 × 2,990,597.09 - Step 4: Simplify right side
4,824,179.30x = 19,918,820,999,633.10 - Step 5: Solve for x
x = 19,918,820,999,633.10/4,824,179.30 - Step 6: Final answer
x = 4,128,955.36
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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.