Finding the Fourth Proportional to 6,134,306.40, 8,465,377.68 and 3,557,515.68
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Solution
The fourth proportional to 6,134,306.40, 8,465,377.68 and 3,557,515.68 is: 4,909,391.85
Step by Step Solution
- Step 1: Write the proportion equation
6,134,306.40 : 8,465,377.68 = 3,557,515.68 : x - Step 2: Convert to fraction form
6,134,306.40/8,465,377.68 = 3,557,515.68/x - Step 3: Cross multiply
6,134,306.40x = 8,465,377.68 × 3,557,515.68 - Step 4: Simplify right side
6,134,306.40x = 30,115,713,833,722.02 - Step 5: Solve for x
x = 30,115,713,833,722.02/6,134,306.40 - Step 6: Final answer
x = 4,909,391.85
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1.5x scale
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.