Finding the Fourth Proportional to 1,535,823.97, 2,119,858.62 and 891,451.77
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Solution
The fourth proportional to 1,535,823.97, 2,119,858.62 and 891,451.77 is: 1,230,448.11
Step by Step Solution
- Step 1: Write the proportion equation
1,535,823.97 : 2,119,858.62 = 891,451.77 : x - Step 2: Convert to fraction form
1,535,823.97/2,119,858.62 = 891,451.77/x - Step 3: Cross multiply
1,535,823.97x = 2,119,858.62 × 891,451.77 - Step 4: Simplify right side
1,535,823.97x = 1,889,751,708,349.46 - Step 5: Solve for x
x = 1,889,751,708,349.46/1,535,823.97 - Step 6: Final answer
x = 1,230,448.11
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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.