Finding the Fourth Proportional to 2,276,058.98, 3,140,924.74 and 1,243,544.60
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Solution
The fourth proportional to 2,276,058.98, 3,140,924.74 and 1,243,544.60 is: 1,716,071.52
Step by Step Solution
- Step 1: Write the proportion equation
2,276,058.98 : 3,140,924.74 = 1,243,544.60 : x - Step 2: Convert to fraction form
2,276,058.98/3,140,924.74 = 1,243,544.60/x - Step 3: Cross multiply
2,276,058.98x = 3,140,924.74 × 1,243,544.60 - Step 4: Simplify right side
2,276,058.98x = 3,905,879,999,433.41 - Step 5: Solve for x
x = 3,905,879,999,433.41/2,276,058.98 - Step 6: Final answer
x = 1,716,071.52
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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.