Finding the Fourth Proportional to 3,719,866.98, 5,133,132.97 and 2,087,959.02
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Solution
The fourth proportional to 3,719,866.98, 5,133,132.97 and 2,087,959.02 is: 2,881,224.34
Step by Step Solution
- Step 1: Write the proportion equation
3,719,866.98 : 5,133,132.97 = 2,087,959.02 : x - Step 2: Convert to fraction form
3,719,866.98/5,133,132.97 = 2,087,959.02/x - Step 3: Cross multiply
3,719,866.98x = 5,133,132.97 × 2,087,959.02 - Step 4: Simplify right side
3,719,866.98x = 10,717,771,280,350.99 - Step 5: Solve for x
x = 10,717,771,280,350.99/3,719,866.98 - Step 6: Final answer
x = 2,881,224.34
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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.