Finding the Fourth Proportional to 5,715,903.64, 7,887,848.04 and 3,102,351.63
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Solution
The fourth proportional to 5,715,903.64, 7,887,848.04 and 3,102,351.63 is: 4,281,191.52
Step by Step Solution
- Step 1: Write the proportion equation
5,715,903.64 : 7,887,848.04 = 3,102,351.63 : x - Step 2: Convert to fraction form
5,715,903.64/7,887,848.04 = 3,102,351.63/x - Step 3: Cross multiply
5,715,903.64x = 7,887,848.04 × 3,102,351.63 - Step 4: Simplify right side
5,715,903.64x = 24,470,878,233,330.86 - Step 5: Solve for x
x = 24,470,878,233,330.86/5,715,903.64 - Step 6: Final answer
x = 4,281,191.52
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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.