Finding the Fourth Proportional to 2,168,686.02, 2,992,750.17 and 1,201,814.34
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Solution
The fourth proportional to 2,168,686.02, 2,992,750.17 and 1,201,814.34 is: 1,658,483.54
Step by Step Solution
- Step 1: Write the proportion equation
2,168,686.02 : 2,992,750.17 = 1,201,814.34 : x - Step 2: Convert to fraction form
2,168,686.02/2,992,750.17 = 1,201,814.34/x - Step 3: Cross multiply
2,168,686.02x = 2,992,750.17 × 1,201,814.34 - Step 4: Simplify right side
2,168,686.02x = 3,596,730,070,343.44 - Step 5: Solve for x
x = 3,596,730,070,343.44/2,168,686.02 - Step 6: Final answer
x = 1,658,483.54
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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.