Finding the Fourth Proportional to 2,510,980.74, 3,465,424.44 and 1,423,135.56
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Solution
The fourth proportional to 2,510,980.74, 3,465,424.44 and 1,423,135.56 is: 1,964,080.68
Step by Step Solution
- Step 1: Write the proportion equation
2,510,980.74 : 3,465,424.44 = 1,423,135.56 : x - Step 2: Convert to fraction form
2,510,980.74/3,465,424.44 = 1,423,135.56/x - Step 3: Cross multiply
2,510,980.74x = 3,465,424.44 × 1,423,135.56 - Step 4: Simplify right side
2,510,980.74x = 4,931,768,751,057.09 - Step 5: Solve for x
x = 4,931,768,751,057.09/2,510,980.74 - Step 6: Final answer
x = 1,964,080.68
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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.