Finding the Fourth Proportional to 4,656,940.80, 6,984,028.80 and 1,815,417.60
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Solution
The fourth proportional to 4,656,940.80, 6,984,028.80 and 1,815,417.60 is: 2,722,587.50
Step by Step Solution
- Step 1: Write the proportion equation
4,656,940.80 : 6,984,028.80 = 1,815,417.60 : x - Step 2: Convert to fraction form
4,656,940.80/6,984,028.80 = 1,815,417.60/x - Step 3: Cross multiply
4,656,940.80x = 6,984,028.80 × 1,815,417.60 - Step 4: Simplify right side
4,656,940.80x = 12,678,928,802,426.88 - Step 5: Solve for x
x = 12,678,928,802,426.88/4,656,940.80 - Step 6: Final answer
x = 2,722,587.50
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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.