Finding the Fourth Proportional to 5,133,484.68, 7,084,197.74 and 2,810,358.38
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Solution
The fourth proportional to 5,133,484.68, 7,084,197.74 and 2,810,358.38 is: 3,878,288.47
Step by Step Solution
- Step 1: Write the proportion equation
5,133,484.68 : 7,084,197.74 = 2,810,358.38 : x - Step 2: Convert to fraction form
5,133,484.68/7,084,197.74 = 2,810,358.38/x - Step 3: Cross multiply
5,133,484.68x = 7,084,197.74 × 2,810,358.38 - Step 4: Simplify right side
5,133,484.68x = 19,909,134,434,713.28 - Step 5: Solve for x
x = 19,909,134,434,713.28/5,133,484.68 - Step 6: Final answer
x = 3,878,288.47
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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.