Finding the Fourth Proportional to 3,506,354.88, 5,262,765.48 and 1,778,437.68
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Solution
The fourth proportional to 3,506,354.88, 5,262,765.48 and 1,778,437.68 is: 2,669,296.39
Step by Step Solution
- Step 1: Write the proportion equation
3,506,354.88 : 5,262,765.48 = 1,778,437.68 : x - Step 2: Convert to fraction form
3,506,354.88/5,262,765.48 = 1,778,437.68/x - Step 3: Cross multiply
3,506,354.88x = 5,262,765.48 × 1,778,437.68 - Step 4: Simplify right side
3,506,354.88x = 9,359,500,430,635.29 - Step 5: Solve for x
x = 9,359,500,430,635.29/3,506,354.88 - Step 6: Final answer
x = 2,669,296.39
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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.