Finding the Fourth Proportional to 3,443,347.20, 5,159,115.90 and 1,642,352.70
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Solution
The fourth proportional to 3,443,347.20, 5,159,115.90 and 1,642,352.70 is: 2,460,712.63
Step by Step Solution
- Step 1: Write the proportion equation
3,443,347.20 : 5,159,115.90 = 1,642,352.70 : x - Step 2: Convert to fraction form
3,443,347.20/5,159,115.90 = 1,642,352.70/x - Step 3: Cross multiply
3,443,347.20x = 5,159,115.90 × 1,642,352.70 - Step 4: Simplify right side
3,443,347.20x = 8,473,087,927,977.93 - Step 5: Solve for x
x = 8,473,087,927,977.93/3,443,347.20 - Step 6: Final answer
x = 2,460,712.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.