Finding the Fourth Proportional to 2,143,289.01, 2,957,776.98 and 1,176,509.19
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Solution
The fourth proportional to 2,143,289.01, 2,957,776.98 and 1,176,509.19 is: 1,623,603.62
Step by Step Solution
- Step 1: Write the proportion equation
2,143,289.01 : 2,957,776.98 = 1,176,509.19 : x - Step 2: Convert to fraction form
2,143,289.01/2,957,776.98 = 1,176,509.19/x - Step 3: Cross multiply
2,143,289.01x = 2,957,776.98 × 1,176,509.19 - Step 4: Simplify right side
2,143,289.01x = 3,479,851,798,940.45 - Step 5: Solve for x
x = 3,479,851,798,940.45/2,143,289.01 - Step 6: Final answer
x = 1,623,603.62
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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.