Finding the Fourth Proportional to 2,124,382.43, 3,187,515.42 and 1,113,263.99
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Solution
The fourth proportional to 2,124,382.43, 3,187,515.42 and 1,113,263.99 is: 1,670,389.51
Step by Step Solution
- Step 1: Write the proportion equation
2,124,382.43 : 3,187,515.42 = 1,113,263.99 : x - Step 2: Convert to fraction form
2,124,382.43/3,187,515.42 = 1,113,263.99/x - Step 3: Cross multiply
2,124,382.43x = 3,187,515.42 × 1,113,263.99 - Step 4: Simplify right side
2,124,382.43x = 3,548,546,134,655.73 - Step 5: Solve for x
x = 3,548,546,134,655.73/2,124,382.43 - Step 6: Final answer
x = 1,670,389.51
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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.