Finding the Fourth Proportional to 2,566,701.12, 3,542,004.56 and 1,420,756.80
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Solution
The fourth proportional to 2,566,701.12, 3,542,004.56 and 1,420,756.80 is: 1,960,620.59
Step by Step Solution
- Step 1: Write the proportion equation
2,566,701.12 : 3,542,004.56 = 1,420,756.80 : x - Step 2: Convert to fraction form
2,566,701.12/3,542,004.56 = 1,420,756.80/x - Step 3: Cross multiply
2,566,701.12x = 3,542,004.56 × 1,420,756.80 - Step 4: Simplify right side
2,566,701.12x = 5,032,327,064,251.01 - Step 5: Solve for x
x = 5,032,327,064,251.01/2,566,701.12 - Step 6: Final answer
x = 1,960,620.59
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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.