Finding the Fourth Proportional to 5,122,464.93, 7,069,004.13 and 2,830,625.61
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Solution
The fourth proportional to 5,122,464.93, 7,069,004.13 and 2,830,625.61 is: 3,906,264.74
Step by Step Solution
- Step 1: Write the proportion equation
5,122,464.93 : 7,069,004.13 = 2,830,625.61 : x - Step 2: Convert to fraction form
5,122,464.93/7,069,004.13 = 2,830,625.61/x - Step 3: Cross multiply
5,122,464.93x = 7,069,004.13 × 2,830,625.61 - Step 4: Simplify right side
5,122,464.93x = 20,009,704,127,573.77 - Step 5: Solve for x
x = 20,009,704,127,573.77/5,122,464.93 - Step 6: Final answer
x = 3,906,264.74
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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.