Finding the Fourth Proportional to 1,555,068.19, 2,146,004.06 and 866,783.68
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Solution
The fourth proportional to 1,555,068.19, 2,146,004.06 and 866,783.68 is: 1,196,167.03
Step by Step Solution
- Step 1: Write the proportion equation
1,555,068.19 : 2,146,004.06 = 866,783.68 : x - Step 2: Convert to fraction form
1,555,068.19/2,146,004.06 = 866,783.68/x - Step 3: Cross multiply
1,555,068.19x = 2,146,004.06 × 866,783.68 - Step 4: Simplify right side
1,555,068.19x = 1,860,121,296,421.74 - Step 5: Solve for x
x = 1,860,121,296,421.74/1,555,068.19 - Step 6: Final answer
x = 1,196,167.03
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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.