Finding the Fourth Proportional to 1,752,315.84, 2,418,141.60 and 988,358.40
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Solution
The fourth proportional to 1,752,315.84, 2,418,141.60 and 988,358.40 is: 1,363,903.99
Step by Step Solution
- Step 1: Write the proportion equation
1,752,315.84 : 2,418,141.60 = 988,358.40 : x - Step 2: Convert to fraction form
1,752,315.84/2,418,141.60 = 988,358.40/x - Step 3: Cross multiply
1,752,315.84x = 2,418,141.60 × 988,358.40 - Step 4: Simplify right side
1,752,315.84x = 2,389,990,562,749.44 - Step 5: Solve for x
x = 2,389,990,562,749.44/1,752,315.84 - Step 6: Final answer
x = 1,363,903.99
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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.