Finding the Fourth Proportional to 4,637,647.14, 6,949,376.16 and 2,478,979.32
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Solution
The fourth proportional to 4,637,647.14, 6,949,376.16 and 2,478,979.32 is: 3,714,676.70
Step by Step Solution
- Step 1: Write the proportion equation
4,637,647.14 : 6,949,376.16 = 2,478,979.32 : x - Step 2: Convert to fraction form
4,637,647.14/6,949,376.16 = 2,478,979.32/x - Step 3: Cross multiply
4,637,647.14x = 6,949,376.16 × 2,478,979.32 - Step 4: Simplify right side
4,637,647.14x = 17,227,359,787,541.01 - Step 5: Solve for x
x = 17,227,359,787,541.01/4,637,647.14 - Step 6: Final answer
x = 3,714,676.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.