Finding the Fourth Proportional to 4,987,696.64, 6,878,423.41 and 3,742,331.36
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Solution
The fourth proportional to 4,987,696.64, 6,878,423.41 and 3,742,331.36 is: 5,160,967.37
Step by Step Solution
- Step 1: Write the proportion equation
4,987,696.64 : 6,878,423.41 = 3,742,331.36 : x - Step 2: Convert to fraction form
4,987,696.64/6,878,423.41 = 3,742,331.36/x - Step 3: Cross multiply
4,987,696.64x = 6,878,423.41 × 3,742,331.36 - Step 4: Simplify right side
4,987,696.64x = 25,741,339,590,853.19 - Step 5: Solve for x
x = 25,741,339,590,853.19/4,987,696.64 - Step 6: Final answer
x = 5,160,967.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.