Finding the Fourth Proportional to 1,787,128.98, 2,466,262.98 and 971,332.42
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Solution
The fourth proportional to 1,787,128.98, 2,466,262.98 and 971,332.42 is: 1,340,452.32
Step by Step Solution
- Step 1: Write the proportion equation
1,787,128.98 : 2,466,262.98 = 971,332.42 : x - Step 2: Convert to fraction form
1,787,128.98/2,466,262.98 = 971,332.42/x - Step 3: Cross multiply
1,787,128.98x = 2,466,262.98 × 971,332.42 - Step 4: Simplify right side
1,787,128.98x = 2,395,561,182,554.15 - Step 5: Solve for x
x = 2,395,561,182,554.15/1,787,128.98 - Step 6: Final answer
x = 1,340,452.32
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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.