Finding the Fourth Proportional to 6,409,645.10, 8,845,415.71 and 3,508,988.12
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Solution
The fourth proportional to 6,409,645.10, 8,845,415.71 and 3,508,988.12 is: 4,842,461.35
Step by Step Solution
- Step 1: Write the proportion equation
6,409,645.10 : 8,845,415.71 = 3,508,988.12 : x - Step 2: Convert to fraction form
6,409,645.10/8,845,415.71 = 3,508,988.12/x - Step 3: Cross multiply
6,409,645.10x = 8,845,415.71 × 3,508,988.12 - Step 4: Simplify right side
6,409,645.10x = 31,038,458,642,851.37 - Step 5: Solve for x
x = 31,038,458,642,851.37/6,409,645.10 - Step 6: Final answer
x = 4,842,461.35
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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.