Finding the Fourth Proportional to 5,038,468.74, 7,557,708.58 and 1,251,951.62
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Solution
The fourth proportional to 5,038,468.74, 7,557,708.58 and 1,251,951.62 is: 1,877,928.78
Step by Step Solution
- Step 1: Write the proportion equation
5,038,468.74 : 7,557,708.58 = 1,251,951.62 : x - Step 2: Convert to fraction form
5,038,468.74/7,557,708.58 = 1,251,951.62/x - Step 3: Cross multiply
5,038,468.74x = 7,557,708.58 × 1,251,951.62 - Step 4: Simplify right side
5,038,468.74x = 9,461,885,459,300.48 - Step 5: Solve for x
x = 9,461,885,459,300.48/5,038,468.74 - Step 6: Final answer
x = 1,877,928.78
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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.