Finding the Fourth Proportional to 1,316,216.28, 1,974,444.91 and 369,580.62
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Solution
The fourth proportional to 1,316,216.28, 1,974,444.91 and 369,580.62 is: 554,404.76
Step by Step Solution
- Step 1: Write the proportion equation
1,316,216.28 : 1,974,444.91 = 369,580.62 : x - Step 2: Convert to fraction form
1,316,216.28/1,974,444.91 = 369,580.62/x - Step 3: Cross multiply
1,316,216.28x = 1,974,444.91 × 369,580.62 - Step 4: Simplify right side
1,316,216.28x = 729,716,573,069.69 - Step 5: Solve for x
x = 729,716,573,069.69/1,316,216.28 - Step 6: Final answer
x = 554,404.76
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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.