Finding the Fourth Proportional to 2,009,356.87, 2,772,901.41 and 1,091,578.68
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Solution
The fourth proportional to 2,009,356.87, 2,772,901.41 and 1,091,578.68 is: 1,506,372.55
Step by Step Solution
- Step 1: Write the proportion equation
2,009,356.87 : 2,772,901.41 = 1,091,578.68 : x - Step 2: Convert to fraction form
2,009,356.87/2,772,901.41 = 1,091,578.68/x - Step 3: Cross multiply
2,009,356.87x = 2,772,901.41 × 1,091,578.68 - Step 4: Simplify right side
2,009,356.87x = 3,026,840,041,575.54 - Step 5: Solve for x
x = 3,026,840,041,575.54/2,009,356.87 - Step 6: Final answer
x = 1,506,372.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.