Finding the Fourth Proportional to 1,918,298.42, 2,647,252.08 and 1,058,858.86
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Solution
The fourth proportional to 1,918,298.42, 2,647,252.08 and 1,058,858.86 is: 1,461,225.37
Step by Step Solution
- Step 1: Write the proportion equation
1,918,298.42 : 2,647,252.08 = 1,058,858.86 : x - Step 2: Convert to fraction form
1,918,298.42/2,647,252.08 = 1,058,858.86/x - Step 3: Cross multiply
1,918,298.42x = 2,647,252.08 × 1,058,858.86 - Step 4: Simplify right side
1,918,298.42x = 2,803,066,319,561.43 - Step 5: Solve for x
x = 2,803,066,319,561.43/1,918,298.42 - Step 6: Final answer
x = 1,461,225.37
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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.