Finding the Fourth Proportional to 1,911,970.58, 2,638,594.64 and 1,052,610.80
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Solution
The fourth proportional to 1,911,970.58, 2,638,594.64 and 1,052,610.80 is: 1,452,644.32
Step by Step Solution
- Step 1: Write the proportion equation
1,911,970.58 : 2,638,594.64 = 1,052,610.80 : x - Step 2: Convert to fraction form
1,911,970.58/2,638,594.64 = 1,052,610.80/x - Step 3: Cross multiply
1,911,970.58x = 2,638,594.64 × 1,052,610.80 - Step 4: Simplify right side
1,911,970.58x = 2,777,413,204,324.67 - Step 5: Solve for x
x = 2,777,413,204,324.67/1,911,970.58 - Step 6: Final answer
x = 1,452,644.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.