Finding the Fourth Proportional to 1,637,932.19, 2,260,348.56 and 912,763.98
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Solution
The fourth proportional to 1,637,932.19, 2,260,348.56 and 912,763.98 is: 1,259,615.49
Step by Step Solution
- Step 1: Write the proportion equation
1,637,932.19 : 2,260,348.56 = 912,763.98 : x - Step 2: Convert to fraction form
1,637,932.19/2,260,348.56 = 912,763.98/x - Step 3: Cross multiply
1,637,932.19x = 2,260,348.56 × 912,763.98 - Step 4: Simplify right side
1,637,932.19x = 2,063,164,747,812.87 - Step 5: Solve for x
x = 2,063,164,747,812.87/1,637,932.19 - Step 6: Final answer
x = 1,259,615.49
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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.