Finding the Fourth Proportional to 4,952,913.42, 7,429,392 and 1,358,721.07
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Solution
The fourth proportional to 4,952,913.42, 7,429,392 and 1,358,721.07 is: 2,038,087.60
Step by Step Solution
- Step 1: Write the proportion equation
4,952,913.42 : 7,429,392 = 1,358,721.07 : x - Step 2: Convert to fraction form
4,952,913.42/7,429,392 = 1,358,721.07/x - Step 3: Cross multiply
4,952,913.42x = 7,429,392 × 1,358,721.07 - Step 4: Simplify right side
4,952,913.42x = 10,094,471,447,689.44 - Step 5: Solve for x
x = 10,094,471,447,689.44/4,952,913.42 - Step 6: Final answer
x = 2,038,087.60
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1.5x scale
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.