Finding the Fourth Proportional to 4,889,451.60, 7,329,687.17 and 1,692,341.91
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Solution
The fourth proportional to 4,889,451.60, 7,329,687.17 and 1,692,341.91 is: 2,536,958.70
Step by Step Solution
- Step 1: Write the proportion equation
4,889,451.60 : 7,329,687.17 = 1,692,341.91 : x - Step 2: Convert to fraction form
4,889,451.60/7,329,687.17 = 1,692,341.91/x - Step 3: Cross multiply
4,889,451.60x = 7,329,687.17 × 1,692,341.91 - Step 4: Simplify right side
4,889,451.60x = 12,404,336,776,518.58 - Step 5: Solve for x
x = 12,404,336,776,518.58/4,889,451.60 - Step 6: Final answer
x = 2,536,958.70
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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.