Finding the Fourth Proportional to 1,692,565.92, 2,335,127.94 and 1,112,101.68
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Solution
The fourth proportional to 1,692,565.92, 2,335,127.94 and 1,112,101.68 is: 1,534,297.53
Step by Step Solution
- Step 1: Write the proportion equation
1,692,565.92 : 2,335,127.94 = 1,112,101.68 : x - Step 2: Convert to fraction form
1,692,565.92/2,335,127.94 = 1,112,101.68/x - Step 3: Cross multiply
1,692,565.92x = 2,335,127.94 × 1,112,101.68 - Step 4: Simplify right side
1,692,565.92x = 2,596,899,705,088.94 - Step 5: Solve for x
x = 2,596,899,705,088.94/1,692,565.92 - Step 6: Final answer
x = 1,534,297.53
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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.