Finding the Fourth Proportional to 1,733,101.09, 2,390,873.70 and 1,121,451.35
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Solution
The fourth proportional to 1,733,101.09, 2,390,873.70 and 1,121,451.35 is: 1,547,081.44
Step by Step Solution
- Step 1: Write the proportion equation
1,733,101.09 : 2,390,873.70 = 1,121,451.35 : x - Step 2: Convert to fraction form
1,733,101.09/2,390,873.70 = 1,121,451.35/x - Step 3: Cross multiply
1,733,101.09x = 2,390,873.70 × 1,121,451.35 - Step 4: Simplify right side
1,733,101.09x = 2,681,248,538,544.50 - Step 5: Solve for x
x = 2,681,248,538,544.50/1,733,101.09 - Step 6: Final answer
x = 1,547,081.44
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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.