Finding the Fourth Proportional to 4,790,851.77, 6,613,746.41 and 2,956,320.53
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Solution
The fourth proportional to 4,790,851.77, 6,613,746.41 and 2,956,320.53 is: 4,081,185.39
Step by Step Solution
- Step 1: Write the proportion equation
4,790,851.77 : 6,613,746.41 = 2,956,320.53 : x - Step 2: Convert to fraction form
4,790,851.77/6,613,746.41 = 2,956,320.53/x - Step 3: Cross multiply
4,790,851.77x = 6,613,746.41 × 2,956,320.53 - Step 4: Simplify right side
4,790,851.77x = 19,552,354,244,246.46 - Step 5: Solve for x
x = 19,552,354,244,246.46/4,790,851.77 - Step 6: Final answer
x = 4,081,185.39
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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.