Finding the Fourth Proportional to 4,975,756.49, 6,868,662.63 and 3,345,109.66
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Solution
The fourth proportional to 4,975,756.49, 6,868,662.63 and 3,345,109.66 is: 4,617,675.68
Step by Step Solution
- Step 1: Write the proportion equation
4,975,756.49 : 6,868,662.63 = 3,345,109.66 : x - Step 2: Convert to fraction form
4,975,756.49/6,868,662.63 = 3,345,109.66/x - Step 3: Cross multiply
4,975,756.49x = 6,868,662.63 × 3,345,109.66 - Step 4: Simplify right side
4,975,756.49x = 22,976,429,714,894.01 - Step 5: Solve for x
x = 22,976,429,714,894.01/4,975,756.49 - Step 6: Final answer
x = 4,617,675.68
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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.