Finding the Fourth Proportional to 1,899,838.06, 2,621,756.84 and 1,028,657.76
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Solution
The fourth proportional to 1,899,838.06, 2,621,756.84 and 1,028,657.76 is: 1,419,537.05
Step by Step Solution
- Step 1: Write the proportion equation
1,899,838.06 : 2,621,756.84 = 1,028,657.76 : x - Step 2: Convert to fraction form
1,899,838.06/2,621,756.84 = 1,028,657.76/x - Step 3: Cross multiply
1,899,838.06x = 2,621,756.84 × 1,028,657.76 - Step 4: Simplify right side
1,899,838.06x = 2,696,890,518,299.08 - Step 5: Solve for x
x = 2,696,890,518,299.08/1,899,838.06 - Step 6: Final answer
x = 1,419,537.05
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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.