Finding the Fourth Proportional to 4,878,417, 6,728,424.54 and 3,330,923.40
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Solution
The fourth proportional to 4,878,417, 6,728,424.54 and 3,330,923.40 is: 4,594,085.90
Step by Step Solution
- Step 1: Write the proportion equation
4,878,417 : 6,728,424.54 = 3,330,923.40 : x - Step 2: Convert to fraction form
4,878,417/6,728,424.54 = 3,330,923.40/x - Step 3: Cross multiply
4,878,417x = 6,728,424.54 × 3,330,923.40 - Step 4: Simplify right side
4,878,417x = 22,411,866,745,420.23 - Step 5: Solve for x
x = 22,411,866,745,420.23/4,878,417 - Step 6: Final answer
x = 4,594,085.90
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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.