Finding the Fourth Proportional to 1,643,118.18, 2,462,530.08 and 1,189,237.68
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Solution
The fourth proportional to 1,643,118.18, 2,462,530.08 and 1,189,237.68 is: 1,782,302.45
Step by Step Solution
- Step 1: Write the proportion equation
1,643,118.18 : 2,462,530.08 = 1,189,237.68 : x - Step 2: Convert to fraction form
1,643,118.18/2,462,530.08 = 1,189,237.68/x - Step 3: Cross multiply
1,643,118.18x = 2,462,530.08 × 1,189,237.68 - Step 4: Simplify right side
1,643,118.18x = 2,928,533,559,269.41 - Step 5: Solve for x
x = 2,928,533,559,269.41/1,643,118.18 - Step 6: Final answer
x = 1,782,302.45
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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.