Finding the Fourth Proportional to 2,563,290.20, 3,537,331.23 and 1,445,590.13
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Solution
The fourth proportional to 2,563,290.20, 3,537,331.23 and 1,445,590.13 is: 1,994,909.17
Step by Step Solution
- Step 1: Write the proportion equation
2,563,290.20 : 3,537,331.23 = 1,445,590.13 : x - Step 2: Convert to fraction form
2,563,290.20/3,537,331.23 = 1,445,590.13/x - Step 3: Cross multiply
2,563,290.20x = 3,537,331.23 × 1,445,590.13 - Step 4: Simplify right side
2,563,290.20x = 5,113,531,121,472.09 - Step 5: Solve for x
x = 5,113,531,121,472.09/2,563,290.20 - Step 6: Final answer
x = 1,994,909.17
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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.