Finding the Fourth Proportional to 1,604,384.76, 2,213,770.36 and 915,742.20
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Solution
The fourth proportional to 1,604,384.76, 2,213,770.36 and 915,742.20 is: 1,263,564.07
Step by Step Solution
- Step 1: Write the proportion equation
1,604,384.76 : 2,213,770.36 = 915,742.20 : x - Step 2: Convert to fraction form
1,604,384.76/2,213,770.36 = 915,742.20/x - Step 3: Cross multiply
1,604,384.76x = 2,213,770.36 × 915,742.20 - Step 4: Simplify right side
1,604,384.76x = 2,027,242,939,761.19 - Step 5: Solve for x
x = 2,027,242,939,761.19/1,604,384.76 - Step 6: Final answer
x = 1,263,564.07
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1.5x scale
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.