Finding the Fourth Proportional to 1,888,949.68, 2,606,674.52 and 1,029,491.44
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Solution
The fourth proportional to 1,888,949.68, 2,606,674.52 and 1,029,491.44 is: 1,420,656.75
Step by Step Solution
- Step 1: Write the proportion equation
1,888,949.68 : 2,606,674.52 = 1,029,491.44 : x - Step 2: Convert to fraction form
1,888,949.68/2,606,674.52 = 1,029,491.44/x - Step 3: Cross multiply
1,888,949.68x = 2,606,674.52 × 1,029,491.44 - Step 4: Simplify right side
1,888,949.68x = 2,683,549,105,206.11 - Step 5: Solve for x
x = 2,683,549,105,206.11/1,888,949.68 - Step 6: Final answer
x = 1,420,656.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.