Finding the Fourth Proportional to 2,124,461.91, 3,187,634.70 and 1,113,343.47
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Solution
The fourth proportional to 2,124,461.91, 3,187,634.70 and 1,113,343.47 is: 1,670,508.78
Step by Step Solution
- Step 1: Write the proportion equation
2,124,461.91 : 3,187,634.70 = 1,113,343.47 : x - Step 2: Convert to fraction form
2,124,461.91/3,187,634.70 = 1,113,343.47/x - Step 3: Cross multiply
2,124,461.91x = 3,187,634.70 × 1,113,343.47 - Step 4: Simplify right side
2,124,461.91x = 3,548,932,277,990.41 - Step 5: Solve for x
x = 3,548,932,277,990.41/2,124,461.91 - Step 6: Final answer
x = 1,670,508.78
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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.