Finding the Fourth Proportional to 5,134,238.19, 7,084,979.26 and 2,810,685.26
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Solution
The fourth proportional to 5,134,238.19, 7,084,979.26 and 2,810,685.26 is: 3,878,598.16
Step by Step Solution
- Step 1: Write the proportion equation
5,134,238.19 : 7,084,979.26 = 2,810,685.26 : x - Step 2: Convert to fraction form
5,134,238.19/7,084,979.26 = 2,810,685.26/x - Step 3: Cross multiply
5,134,238.19x = 7,084,979.26 × 2,810,685.26 - Step 4: Simplify right side
5,134,238.19x = 19,913,646,773,487.71 - Step 5: Solve for x
x = 19,913,646,773,487.71/5,134,238.19 - Step 6: Final answer
x = 3,878,598.16
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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.