Finding the Fourth Proportional to 2,986,291.65, 4,121,432.35 and 1,697,325.80
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Solution
The fourth proportional to 2,986,291.65, 4,121,432.35 and 1,697,325.80 is: 2,342,508.45
Step by Step Solution
- Step 1: Write the proportion equation
2,986,291.65 : 4,121,432.35 = 1,697,325.80 : x - Step 2: Convert to fraction form
2,986,291.65/4,121,432.35 = 1,697,325.80/x - Step 3: Cross multiply
2,986,291.65x = 4,121,432.35 × 1,697,325.80 - Step 4: Simplify right side
2,986,291.65x = 6,995,413,435,759.15 - Step 5: Solve for x
x = 6,995,413,435,759.15/2,986,291.65 - Step 6: Final answer
x = 2,342,508.45
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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.