Finding the Fourth Proportional to 1,535,823.22, 2,119,857.59 and 891,451.02
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Solution
The fourth proportional to 1,535,823.22, 2,119,857.59 and 891,451.02 is: 1,230,447.09
Step by Step Solution
- Step 1: Write the proportion equation
1,535,823.22 : 2,119,857.59 = 891,451.02 : x - Step 2: Convert to fraction form
1,535,823.22/2,119,857.59 = 891,451.02/x - Step 3: Cross multiply
1,535,823.22x = 2,119,857.59 × 891,451.02 - Step 4: Simplify right side
1,535,823.22x = 1,889,749,210,860.24 - Step 5: Solve for x
x = 1,889,749,210,860.24/1,535,823.22 - Step 6: Final answer
x = 1,230,447.09
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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.