Finding the Fourth Proportional to 2,840,301.06, 3,919,646.68 and 1,551,179.40
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Solution
The fourth proportional to 2,840,301.06, 3,919,646.68 and 1,551,179.40 is: 2,140,644.62
Step by Step Solution
- Step 1: Write the proportion equation
2,840,301.06 : 3,919,646.68 = 1,551,179.40 : x - Step 2: Convert to fraction form
2,840,301.06/3,919,646.68 = 1,551,179.40/x - Step 3: Cross multiply
2,840,301.06x = 3,919,646.68 × 1,551,179.40 - Step 4: Simplify right side
2,840,301.06x = 6,080,075,185,294.39 - Step 5: Solve for x
x = 6,080,075,185,294.39/2,840,301.06 - Step 6: Final answer
x = 2,140,644.62
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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.