Finding the Fourth Proportional to 2,130,026.47, 2,939,433.95 and 1,259,175.02
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Solution
The fourth proportional to 2,130,026.47, 2,939,433.95 and 1,259,175.02 is: 1,737,660.00
Step by Step Solution
- Step 1: Write the proportion equation
2,130,026.47 : 2,939,433.95 = 1,259,175.02 : x - Step 2: Convert to fraction form
2,130,026.47/2,939,433.95 = 1,259,175.02/x - Step 3: Cross multiply
2,130,026.47x = 2,939,433.95 × 1,259,175.02 - Step 4: Simplify right side
2,130,026.47x = 3,701,261,791,230.70 - Step 5: Solve for x
x = 3,701,261,791,230.70/2,130,026.47 - Step 6: Final answer
x = 1,737,660.00
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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.