Finding the Fourth Proportional to 5,478,304.16, 8,210,725.95 and 3,077,101.28
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Solution
The fourth proportional to 5,478,304.16, 8,210,725.95 and 3,077,101.28 is: 4,611,871.59
Step by Step Solution
- Step 1: Write the proportion equation
5,478,304.16 : 8,210,725.95 = 3,077,101.28 : x - Step 2: Convert to fraction form
5,478,304.16/8,210,725.95 = 3,077,101.28/x - Step 3: Cross multiply
5,478,304.16x = 8,210,725.95 × 3,077,101.28 - Step 4: Simplify right side
5,478,304.16x = 25,265,235,330,474.21 - Step 5: Solve for x
x = 25,265,235,330,474.21/5,478,304.16 - Step 6: Final answer
x = 4,611,871.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.