Finding the Fourth Proportional to 5,551,830.28, 8,328,574.86 and 1,765,436.68
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Solution
The fourth proportional to 5,551,830.28, 8,328,574.86 and 1,765,436.68 is: 2,648,418.78
Step by Step Solution
- Step 1: Write the proportion equation
5,551,830.28 : 8,328,574.86 = 1,765,436.68 : x - Step 2: Convert to fraction form
5,551,830.28/8,328,574.86 = 1,765,436.68/x - Step 3: Cross multiply
5,551,830.28x = 8,328,574.86 × 1,765,436.68 - Step 4: Simplify right side
5,551,830.28x = 14,703,571,549,969.87 - Step 5: Solve for x
x = 14,703,571,549,969.87/5,551,830.28 - Step 6: Final answer
x = 2,648,418.78
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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.