Finding the Fourth Proportional to 2,620,837.95, 3,616,905.24 and 1,574,579.18
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Solution
The fourth proportional to 2,620,837.95, 3,616,905.24 and 1,574,579.18 is: 2,173,008.70
Step by Step Solution
- Step 1: Write the proportion equation
2,620,837.95 : 3,616,905.24 = 1,574,579.18 : x - Step 2: Convert to fraction form
2,620,837.95/3,616,905.24 = 1,574,579.18/x - Step 3: Cross multiply
2,620,837.95x = 3,616,905.24 × 1,574,579.18 - Step 4: Simplify right side
2,620,837.95x = 5,695,103,668,852.38 - Step 5: Solve for x
x = 5,695,103,668,852.38/2,620,837.95 - Step 6: Final answer
x = 2,173,008.70
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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.