Finding the Fourth Proportional to 4,267,031.17, 6,400,553.24 and 1,742,686.42
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Solution
The fourth proportional to 4,267,031.17, 6,400,553.24 and 1,742,686.42 is: 2,614,032.28
Step by Step Solution
- Step 1: Write the proportion equation
4,267,031.17 : 6,400,553.24 = 1,742,686.42 : x - Step 2: Convert to fraction form
4,267,031.17/6,400,553.24 = 1,742,686.42/x - Step 3: Cross multiply
4,267,031.17x = 6,400,553.24 × 1,742,686.42 - Step 4: Simplify right side
4,267,031.17x = 11,154,157,211,835 - Step 5: Solve for x
x = 11,154,157,211,835/4,267,031.17 - Step 6: Final answer
x = 2,614,032.28
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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.