Finding the Fourth Proportional to 2,690,400.93, 4,032,820.18 and 1,249,909.08
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Solution
The fourth proportional to 2,690,400.93, 4,032,820.18 and 1,249,909.08 is: 1,873,571.52
Step by Step Solution
- Step 1: Write the proportion equation
2,690,400.93 : 4,032,820.18 = 1,249,909.08 : x - Step 2: Convert to fraction form
2,690,400.93/4,032,820.18 = 1,249,909.08/x - Step 3: Cross multiply
2,690,400.93x = 4,032,820.18 × 1,249,909.08 - Step 4: Simplify right side
2,690,400.93x = 5,040,658,560,989.24 - Step 5: Solve for x
x = 5,040,658,560,989.24/2,690,400.93 - Step 6: Final answer
x = 1,873,571.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.