Finding the Fourth Proportional to 1,699,373.51, 2,345,334.84 and 954,421.51
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Solution
The fourth proportional to 1,699,373.51, 2,345,334.84 and 954,421.51 is: 1,317,213.66
Step by Step Solution
- Step 1: Write the proportion equation
1,699,373.51 : 2,345,334.84 = 954,421.51 : x - Step 2: Convert to fraction form
1,699,373.51/2,345,334.84 = 954,421.51/x - Step 3: Cross multiply
1,699,373.51x = 2,345,334.84 × 954,421.51 - Step 4: Simplify right side
1,699,373.51x = 2,238,438,002,949.63 - Step 5: Solve for x
x = 2,238,438,002,949.63/1,699,373.51 - Step 6: Final answer
x = 1,317,213.66
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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.