Finding the Fourth Proportional to 4,674,031.32, 7,011,047.04 and 1,128,175.32
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Solution
The fourth proportional to 4,674,031.32, 7,011,047.04 and 1,128,175.32 is: 1,692,262.99
Step by Step Solution
- Step 1: Write the proportion equation
4,674,031.32 : 7,011,047.04 = 1,128,175.32 : x - Step 2: Convert to fraction form
4,674,031.32/7,011,047.04 = 1,128,175.32/x - Step 3: Cross multiply
4,674,031.32x = 7,011,047.04 × 1,128,175.32 - Step 4: Simplify right side
4,674,031.32x = 7,909,690,237,887.05 - Step 5: Solve for x
x = 7,909,690,237,887.05/4,674,031.32 - Step 6: Final answer
x = 1,692,262.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.