Finding the Fourth Proportional to 2,051,860.41, 2,830,098.79 and 1,440,149.63
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Solution
The fourth proportional to 2,051,860.41, 2,830,098.79 and 1,440,149.63 is: 1,986,375.73
Step by Step Solution
- Step 1: Write the proportion equation
2,051,860.41 : 2,830,098.79 = 1,440,149.63 : x - Step 2: Convert to fraction form
2,051,860.41/2,830,098.79 = 1,440,149.63/x - Step 3: Cross multiply
2,051,860.41x = 2,830,098.79 × 1,440,149.63 - Step 4: Simplify right side
2,051,860.41x = 4,075,765,712,931.64 - Step 5: Solve for x
x = 4,075,765,712,931.64/2,051,860.41 - Step 6: Final answer
x = 1,986,375.73
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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.