Finding the Fourth Proportional to 1,686,907.60, 2,527,562.04 and 1,187,221.84
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Solution
The fourth proportional to 1,686,907.60, 2,527,562.04 and 1,187,221.84 is: 1,778,862.61
Step by Step Solution
- Step 1: Write the proportion equation
1,686,907.60 : 2,527,562.04 = 1,187,221.84 : x - Step 2: Convert to fraction form
1,686,907.60/2,527,562.04 = 1,187,221.84/x - Step 3: Cross multiply
1,686,907.60x = 2,527,562.04 × 1,187,221.84 - Step 4: Simplify right side
1,686,907.60x = 3,000,776,855,842.95 - Step 5: Solve for x
x = 3,000,776,855,842.95/1,686,907.60 - Step 6: Final answer
x = 1,778,862.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.