Finding the Fourth Proportional to 1,790,130.98, 2,470,391.03 and 974,332.72
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Solution
The fourth proportional to 1,790,130.98, 2,470,391.03 and 974,332.72 is: 1,344,584.75
Step by Step Solution
- Step 1: Write the proportion equation
1,790,130.98 : 2,470,391.03 = 974,332.72 : x - Step 2: Convert to fraction form
1,790,130.98/2,470,391.03 = 974,332.72/x - Step 3: Cross multiply
1,790,130.98x = 2,470,391.03 × 974,332.72 - Step 4: Simplify right side
1,790,130.98x = 2,406,982,812,813.13 - Step 5: Solve for x
x = 2,406,982,812,813.13/1,790,130.98 - Step 6: Final answer
x = 1,344,584.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.