Finding the Fourth Proportional to 6,315,154.81, 8,712,924.23 and 3,865,211.80
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Solution
The fourth proportional to 6,315,154.81, 8,712,924.23 and 3,865,211.80 is: 5,332,774.66
Step by Step Solution
- Step 1: Write the proportion equation
6,315,154.81 : 8,712,924.23 = 3,865,211.80 : x - Step 2: Convert to fraction form
6,315,154.81/8,712,924.23 = 3,865,211.80/x - Step 3: Cross multiply
6,315,154.81x = 8,712,924.23 × 3,865,211.80 - Step 4: Simplify right side
6,315,154.81x = 33,677,297,534,182.63 - Step 5: Solve for x
x = 33,677,297,534,182.63/6,315,154.81 - Step 6: Final answer
x = 5,332,774.66
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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.