Finding the Fourth Proportional to 2,746,347.51, 4,120,206.15 and 1,938,310.23
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Solution
The fourth proportional to 2,746,347.51, 4,120,206.15 and 1,938,310.23 is: 2,907,948.72
Step by Step Solution
- Step 1: Write the proportion equation
2,746,347.51 : 4,120,206.15 = 1,938,310.23 : x - Step 2: Convert to fraction form
2,746,347.51/4,120,206.15 = 1,938,310.23/x - Step 3: Cross multiply
2,746,347.51x = 4,120,206.15 × 1,938,310.23 - Step 4: Simplify right side
2,746,347.51x = 7,986,237,730,253.91 - Step 5: Solve for x
x = 7,986,237,730,253.91/2,746,347.51 - Step 6: Final answer
x = 2,907,948.72
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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.