Finding the Fourth Proportional to 5,167,563.57, 7,131,237.72 and 2,875,726.08
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Solution
The fourth proportional to 5,167,563.57, 7,131,237.72 and 2,875,726.08 is: 3,968,501.99
Step by Step Solution
- Step 1: Write the proportion equation
5,167,563.57 : 7,131,237.72 = 2,875,726.08 : x - Step 2: Convert to fraction form
5,167,563.57/7,131,237.72 = 2,875,726.08/x - Step 3: Cross multiply
5,167,563.57x = 7,131,237.72 × 2,875,726.08 - Step 4: Simplify right side
5,167,563.57x = 20,507,486,294,083.74 - Step 5: Solve for x
x = 20,507,486,294,083.74/5,167,563.57 - Step 6: Final answer
x = 3,968,501.99
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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.