Finding the Fourth Proportional to 1,937,331.79, 2,673,476.16 and 1,121,569.99
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Solution
The fourth proportional to 1,937,331.79, 2,673,476.16 and 1,121,569.99 is: 1,547,742.44
Step by Step Solution
- Step 1: Write the proportion equation
1,937,331.79 : 2,673,476.16 = 1,121,569.99 : x - Step 2: Convert to fraction form
1,937,331.79/2,673,476.16 = 1,121,569.99/x - Step 3: Cross multiply
1,937,331.79x = 2,673,476.16 × 1,121,569.99 - Step 4: Simplify right side
1,937,331.79x = 2,998,490,630,036.44 - Step 5: Solve for x
x = 2,998,490,630,036.44/1,937,331.79 - Step 6: Final answer
x = 1,547,742.44
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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.