Finding the Fourth Proportional to 6,330,811.08, 8,736,506.88 and 3,430,280.46
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Solution
The fourth proportional to 6,330,811.08, 8,736,506.88 and 3,430,280.46 is: 4,733,780.31
Step by Step Solution
- Step 1: Write the proportion equation
6,330,811.08 : 8,736,506.88 = 3,430,280.46 : x - Step 2: Convert to fraction form
6,330,811.08/8,736,506.88 = 3,430,280.46/x - Step 3: Cross multiply
6,330,811.08x = 8,736,506.88 × 3,430,280.46 - Step 4: Simplify right side
6,330,811.08x = 29,968,668,839,119.57 - Step 5: Solve for x
x = 29,968,668,839,119.57/6,330,811.08 - Step 6: Final answer
x = 4,733,780.31
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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.