Finding the Fourth Proportional to 4,747,271.52, 7,120,806.84 and 1,153,055.28
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Solution
The fourth proportional to 4,747,271.52, 7,120,806.84 and 1,153,055.28 is: 1,729,558.52
Step by Step Solution
- Step 1: Write the proportion equation
4,747,271.52 : 7,120,806.84 = 1,153,055.28 : x - Step 2: Convert to fraction form
4,747,271.52/7,120,806.84 = 1,153,055.28/x - Step 3: Cross multiply
4,747,271.52x = 7,120,806.84 × 1,153,055.28 - Step 4: Simplify right side
4,747,271.52x = 8,210,683,924,722.12 - Step 5: Solve for x
x = 8,210,683,924,722.12/4,747,271.52 - Step 6: Final answer
x = 1,729,558.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.