Finding the Fourth Proportional to 1,484,890.99, 2,048,090.87 and 1,362,776.88
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Solution
The fourth proportional to 1,484,890.99, 2,048,090.87 and 1,362,776.88 is: 1,879,660.47
Step by Step Solution
- Step 1: Write the proportion equation
1,484,890.99 : 2,048,090.87 = 1,362,776.88 : x - Step 2: Convert to fraction form
1,484,890.99/2,048,090.87 = 1,362,776.88/x - Step 3: Cross multiply
1,484,890.99x = 2,048,090.87 × 1,362,776.88 - Step 4: Simplify right side
1,484,890.99x = 2,791,090,891,102.11 - Step 5: Solve for x
x = 2,791,090,891,102.11/1,484,890.99 - Step 6: Final answer
x = 1,879,660.47
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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.