Finding the Fourth Proportional to 1,532,739.35, 2,115,021.50 and 943,945.63
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Solution
The fourth proportional to 1,532,739.35, 2,115,021.50 and 943,945.63 is: 1,302,547.17
Step by Step Solution
- Step 1: Write the proportion equation
1,532,739.35 : 2,115,021.50 = 943,945.63 : x - Step 2: Convert to fraction form
1,532,739.35/2,115,021.50 = 943,945.63/x - Step 3: Cross multiply
1,532,739.35x = 2,115,021.50 × 943,945.63 - Step 4: Simplify right side
1,532,739.35x = 1,996,465,302,281.05 - Step 5: Solve for x
x = 1,996,465,302,281.05/1,532,739.35 - Step 6: Final answer
x = 1,302,547.17
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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.