Finding the Fourth Proportional to 2,173,967.84, 3,246,312.34 and 1,775,399.24
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Solution
The fourth proportional to 2,173,967.84, 3,246,312.34 and 1,775,399.24 is: 2,651,143.39
Step by Step Solution
- Step 1: Write the proportion equation
2,173,967.84 : 3,246,312.34 = 1,775,399.24 : x - Step 2: Convert to fraction form
2,173,967.84/3,246,312.34 = 1,775,399.24/x - Step 3: Cross multiply
2,173,967.84x = 3,246,312.34 × 1,775,399.24 - Step 4: Simplify right side
2,173,967.84x = 5,763,500,461,238.62 - Step 5: Solve for x
x = 5,763,500,461,238.62/2,173,967.84 - Step 6: Final answer
x = 2,651,143.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.