Finding the Fourth Proportional to 1,354,421.60, 2,031,649.68 and 933,584.48
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Solution
The fourth proportional to 1,354,421.60, 2,031,649.68 and 933,584.48 is: 1,400,388.63
Step by Step Solution
- Step 1: Write the proportion equation
1,354,421.60 : 2,031,649.68 = 933,584.48 : x - Step 2: Convert to fraction form
1,354,421.60/2,031,649.68 = 933,584.48/x - Step 3: Cross multiply
1,354,421.60x = 2,031,649.68 × 933,584.48 - Step 4: Simplify right side
1,354,421.60x = 1,896,716,610,044.97 - Step 5: Solve for x
x = 1,896,716,610,044.97/1,354,421.60 - Step 6: Final answer
x = 1,400,388.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.