Finding the Fourth Proportional to 5,173,252.19, 7,139,089.97 and 2,999,055.69
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Solution
The fourth proportional to 5,173,252.19, 7,139,089.97 and 2,999,055.69 is: 4,138,697.99
Step by Step Solution
- Step 1: Write the proportion equation
5,173,252.19 : 7,139,089.97 = 2,999,055.69 : x - Step 2: Convert to fraction form
5,173,252.19/7,139,089.97 = 2,999,055.69/x - Step 3: Cross multiply
5,173,252.19x = 7,139,089.97 × 2,999,055.69 - Step 4: Simplify right side
5,173,252.19x = 21,410,528,403,448.07 - Step 5: Solve for x
x = 21,410,528,403,448.07/5,173,252.19 - Step 6: Final answer
x = 4,138,697.99
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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.