Finding the Fourth Proportional to 4,267,031.49, 6,400,553.71 and 1,742,686.74
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Solution
The fourth proportional to 4,267,031.49, 6,400,553.71 and 1,742,686.74 is: 2,614,032.75
Step by Step Solution
- Step 1: Write the proportion equation
4,267,031.49 : 6,400,553.71 = 1,742,686.74 : x - Step 2: Convert to fraction form
4,267,031.49/6,400,553.71 = 1,742,686.74/x - Step 3: Cross multiply
4,267,031.49x = 6,400,553.71 × 1,742,686.74 - Step 4: Simplify right side
4,267,031.49x = 11,154,160,079,074.80 - Step 5: Solve for x
x = 11,154,160,079,074.80/4,267,031.49 - Step 6: Final answer
x = 2,614,032.75
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1.5x scale
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.