Finding the Fourth Proportional to 3,963,995.15, 5,946,878.75 and 1,268,482.19
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Solution
The fourth proportional to 3,963,995.15, 5,946,878.75 and 1,268,482.19 is: 1,903,006.81
Step by Step Solution
- Step 1: Write the proportion equation
3,963,995.15 : 5,946,878.75 = 1,268,482.19 : x - Step 2: Convert to fraction form
3,963,995.15/5,946,878.75 = 1,268,482.19/x - Step 3: Cross multiply
3,963,995.15x = 5,946,878.75 × 1,268,482.19 - Step 4: Simplify right side
3,963,995.15x = 7,543,509,744,387.66 - Step 5: Solve for x
x = 7,543,509,744,387.66/3,963,995.15 - Step 6: Final answer
x = 1,903,006.81
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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.