Finding the Fourth Proportional to 1,557,156.36, 2,148,869.94 and 841,764.36
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Solution
The fourth proportional to 1,557,156.36, 2,148,869.94 and 841,764.36 is: 1,161,631.66
Step by Step Solution
- Step 1: Write the proportion equation
1,557,156.36 : 2,148,869.94 = 841,764.36 : x - Step 2: Convert to fraction form
1,557,156.36/2,148,869.94 = 841,764.36/x - Step 3: Cross multiply
1,557,156.36x = 2,148,869.94 × 841,764.36 - Step 4: Simplify right side
1,557,156.36x = 1,808,842,129,767.34 - Step 5: Solve for x
x = 1,808,842,129,767.34/1,557,156.36 - Step 6: Final answer
x = 1,161,631.66
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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.