Finding the Fourth Proportional to 1,787,129.23, 2,466,263.33 and 971,332.67
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Solution
The fourth proportional to 1,787,129.23, 2,466,263.33 and 971,332.67 is: 1,340,452.67
Step by Step Solution
- Step 1: Write the proportion equation
1,787,129.23 : 2,466,263.33 = 971,332.67 : x - Step 2: Convert to fraction form
1,787,129.23/2,466,263.33 = 971,332.67/x - Step 3: Cross multiply
1,787,129.23x = 2,466,263.33 × 971,332.67 - Step 4: Simplify right side
1,787,129.23x = 2,395,562,145,251.99 - Step 5: Solve for x
x = 2,395,562,145,251.99/1,787,129.23 - Step 6: Final answer
x = 1,340,452.67
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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.