Finding the Fourth Proportional to 4,918,368.92, 6,787,335.48 and 2,742,914.12
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Solution
The fourth proportional to 4,918,368.92, 6,787,335.48 and 2,742,914.12 is: 3,785,213.88
Step by Step Solution
- Step 1: Write the proportion equation
4,918,368.92 : 6,787,335.48 = 2,742,914.12 : x - Step 2: Convert to fraction form
4,918,368.92/6,787,335.48 = 2,742,914.12/x - Step 3: Cross multiply
4,918,368.92x = 6,787,335.48 × 2,742,914.12 - Step 4: Simplify right side
4,918,368.92x = 18,617,078,325,268.98 - Step 5: Solve for x
x = 18,617,078,325,268.98/4,918,368.92 - Step 6: Final answer
x = 3,785,213.88
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1.5x scale
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.