Finding the Fourth Proportional to 2,258,830.80, 3,117,209.67 and 1,226,348.10
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Solution
The fourth proportional to 2,258,830.80, 3,117,209.67 and 1,226,348.10 is: 1,692,372.96
Step by Step Solution
- Step 1: Write the proportion equation
2,258,830.80 : 3,117,209.67 = 1,226,348.10 : x - Step 2: Convert to fraction form
2,258,830.80/3,117,209.67 = 1,226,348.10/x - Step 3: Cross multiply
2,258,830.80x = 3,117,209.67 × 1,226,348.10 - Step 4: Simplify right side
2,258,830.80x = 3,822,784,156,106.13 - Step 5: Solve for x
x = 3,822,784,156,106.13/2,258,830.80 - Step 6: Final answer
x = 1,692,372.96
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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.