Finding the Fourth Proportional to 5,781,559.68, 8,668,977.99 and 2,187,603.78
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Solution
The fourth proportional to 5,781,559.68, 8,668,977.99 and 2,187,603.78 is: 3,280,133.75
Step by Step Solution
- Step 1: Write the proportion equation
5,781,559.68 : 8,668,977.99 = 2,187,603.78 : x - Step 2: Convert to fraction form
5,781,559.68/8,668,977.99 = 2,187,603.78/x - Step 3: Cross multiply
5,781,559.68x = 8,668,977.99 × 2,187,603.78 - Step 4: Simplify right side
5,781,559.68x = 18,964,289,019,660.80 - Step 5: Solve for x
x = 18,964,289,019,660.80/5,781,559.68 - Step 6: Final answer
x = 3,280,133.75
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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.