Finding the Fourth Proportional to 1,953,715.64, 2,697,444.12 and 1,219,788.44
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Solution
The fourth proportional to 1,953,715.64, 2,697,444.12 and 1,219,788.44 is: 1,684,130.02
Step by Step Solution
- Step 1: Write the proportion equation
1,953,715.64 : 2,697,444.12 = 1,219,788.44 : x - Step 2: Convert to fraction form
1,953,715.64/2,697,444.12 = 1,219,788.44/x - Step 3: Cross multiply
1,953,715.64x = 2,697,444.12 × 1,219,788.44 - Step 4: Simplify right side
1,953,715.64x = 3,290,311,155,121.97 - Step 5: Solve for x
x = 3,290,311,155,121.97/1,953,715.64 - Step 6: Final answer
x = 1,684,130.02
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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.