Finding the Fourth Proportional to 2,877,036.90, 3,970,291.36 and 1,587,877.25
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Solution
The fourth proportional to 2,877,036.90, 3,970,291.36 and 1,587,877.25 is: 2,191,259.80
Step by Step Solution
- Step 1: Write the proportion equation
2,877,036.90 : 3,970,291.36 = 1,587,877.25 : x - Step 2: Convert to fraction form
2,877,036.90/3,970,291.36 = 1,587,877.25/x - Step 3: Cross multiply
2,877,036.90x = 3,970,291.36 × 1,587,877.25 - Step 4: Simplify right side
2,877,036.90x = 6,304,335,302,594.41 - Step 5: Solve for x
x = 6,304,335,302,594.41/2,877,036.90 - Step 6: Final answer
x = 2,191,259.80
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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.