Finding the Fourth Proportional to 1,539,557.19, 2,124,526.05 and 851,185.17
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Solution
The fourth proportional to 1,539,557.19, 2,124,526.05 and 851,185.17 is: 1,174,600.77
Step by Step Solution
- Step 1: Write the proportion equation
1,539,557.19 : 2,124,526.05 = 851,185.17 : x - Step 2: Convert to fraction form
1,539,557.19/2,124,526.05 = 851,185.17/x - Step 3: Cross multiply
1,539,557.19x = 2,124,526.05 × 851,185.17 - Step 4: Simplify right side
1,539,557.19x = 1,808,365,067,038.68 - Step 5: Solve for x
x = 1,808,365,067,038.68/1,539,557.19 - Step 6: Final answer
x = 1,174,600.77
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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.