Finding the Fourth Proportional to 6,346,661.24, 8,758,146.93 and 3,445,985.72
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Solution
The fourth proportional to 6,346,661.24, 8,758,146.93 and 3,445,985.72 is: 4,755,326.95
Step by Step Solution
- Step 1: Write the proportion equation
6,346,661.24 : 8,758,146.93 = 3,445,985.72 : x - Step 2: Convert to fraction form
6,346,661.24/8,758,146.93 = 3,445,985.72/x - Step 3: Cross multiply
6,346,661.24x = 8,758,146.93 × 3,445,985.72 - Step 4: Simplify right side
6,346,661.24x = 30,180,449,210,651.10 - Step 5: Solve for x
x = 30,180,449,210,651.10/6,346,661.24 - Step 6: Final answer
x = 4,755,326.95
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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.