Finding the Fourth Proportional to 4,911,963.66, 6,778,719.09 and 2,736,505.62
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Solution
The fourth proportional to 4,911,963.66, 6,778,719.09 and 2,736,505.62 is: 3,776,494.32
Step by Step Solution
- Step 1: Write the proportion equation
4,911,963.66 : 6,778,719.09 = 2,736,505.62 : x - Step 2: Convert to fraction form
4,911,963.66/6,778,719.09 = 2,736,505.62/x - Step 3: Cross multiply
4,911,963.66x = 6,778,719.09 × 2,736,505.62 - Step 4: Simplify right side
4,911,963.66x = 18,550,002,886,186.29 - Step 5: Solve for x
x = 18,550,002,886,186.29/4,911,963.66 - Step 6: Final answer
x = 3,776,494.32
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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.