Finding the Fourth Proportional to 1,649,421.40, 2,276,263.16 and 924,242.28
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Solution
The fourth proportional to 1,649,421.40, 2,276,263.16 and 924,242.28 is: 1,275,488.88
Step by Step Solution
- Step 1: Write the proportion equation
1,649,421.40 : 2,276,263.16 = 924,242.28 : x - Step 2: Convert to fraction form
1,649,421.40/2,276,263.16 = 924,242.28/x - Step 3: Cross multiply
1,649,421.40x = 2,276,263.16 × 924,242.28 - Step 4: Simplify right side
1,649,421.40x = 2,103,818,652,878.41 - Step 5: Solve for x
x = 2,103,818,652,878.41/1,649,421.40 - Step 6: Final answer
x = 1,275,488.88
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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.