Finding the Fourth Proportional to 3,645,920.43, 5,031,300.02 and 2,014,398.99
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Solution
The fourth proportional to 3,645,920.43, 5,031,300.02 and 2,014,398.99 is: 2,779,831.83
Step by Step Solution
- Step 1: Write the proportion equation
3,645,920.43 : 5,031,300.02 = 2,014,398.99 : x - Step 2: Convert to fraction form
3,645,920.43/5,031,300.02 = 2,014,398.99/x - Step 3: Cross multiply
3,645,920.43x = 5,031,300.02 × 2,014,398.99 - Step 4: Simplify right side
3,645,920.43x = 10,135,045,668,602.98 - Step 5: Solve for x
x = 10,135,045,668,602.98/3,645,920.43 - Step 6: Final answer
x = 2,779,831.83
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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.