Finding the Fourth Proportional to 6,240,386.11, 8,611,750.70 and 3,487,177.29
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Solution
The fourth proportional to 6,240,386.11, 8,611,750.70 and 3,487,177.29 is: 4,812,314.65
Step by Step Solution
- Step 1: Write the proportion equation
6,240,386.11 : 8,611,750.70 = 3,487,177.29 : x - Step 2: Convert to fraction form
6,240,386.11/8,611,750.70 = 3,487,177.29/x - Step 3: Cross multiply
6,240,386.11x = 8,611,750.70 × 3,487,177.29 - Step 4: Simplify right side
6,240,386.11x = 30,030,701,468,181.60 - Step 5: Solve for x
x = 30,030,701,468,181.60/6,240,386.11 - Step 6: Final answer
x = 4,812,314.65
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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.