Finding the Fourth Proportional to 4,243,451.49, 6,365,412.48 and 1,210,584.18
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Solution
The fourth proportional to 4,243,451.49, 6,365,412.48 and 1,210,584.18 is: 1,815,943.38
Step by Step Solution
- Step 1: Write the proportion equation
4,243,451.49 : 6,365,412.48 = 1,210,584.18 : x - Step 2: Convert to fraction form
4,243,451.49/6,365,412.48 = 1,210,584.18/x - Step 3: Cross multiply
4,243,451.49x = 6,365,412.48 × 1,210,584.18 - Step 4: Simplify right side
4,243,451.49x = 7,705,867,647,462.57 - Step 5: Solve for x
x = 7,705,867,647,462.57/4,243,451.49 - Step 6: Final answer
x = 1,815,943.38
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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.