Finding the Fourth Proportional to 4,292,386.40, 6,436,246.80 and 1,768,296.80
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Solution
The fourth proportional to 4,292,386.40, 6,436,246.80 and 1,768,296.80 is: 2,651,484.18
Step by Step Solution
- Step 1: Write the proportion equation
4,292,386.40 : 6,436,246.80 = 1,768,296.80 : x - Step 2: Convert to fraction form
4,292,386.40/6,436,246.80 = 1,768,296.80/x - Step 3: Cross multiply
4,292,386.40x = 6,436,246.80 × 1,768,296.80 - Step 4: Simplify right side
4,292,386.40x = 11,381,194,620,450.24 - Step 5: Solve for x
x = 11,381,194,620,450.24/4,292,386.40 - Step 6: Final answer
x = 2,651,484.18
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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.