Finding the Fourth Proportional to 2,168,534.79, 2,992,595.60 and 1,201,681.24
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Solution
The fourth proportional to 2,168,534.79, 2,992,595.60 and 1,201,681.24 is: 1,658,329.86
Step by Step Solution
- Step 1: Write the proportion equation
2,168,534.79 : 2,992,595.60 = 1,201,681.24 : x - Step 2: Convert to fraction form
2,168,534.79/2,992,595.60 = 1,201,681.24/x - Step 3: Cross multiply
2,168,534.79x = 2,992,595.60 × 1,201,681.24 - Step 4: Simplify right side
2,168,534.79x = 3,596,145,986,949.26 - Step 5: Solve for x
x = 3,596,145,986,949.26/2,168,534.79 - Step 6: Final answer
x = 1,658,329.86
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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.