Finding the Fourth Proportional to 2,130,521.52, 3,195,995.51 and 614,241.62
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Solution
The fourth proportional to 2,130,521.52, 3,195,995.51 and 614,241.62 is: 921,423.90
Step by Step Solution
- Step 1: Write the proportion equation
2,130,521.52 : 3,195,995.51 = 614,241.62 : x - Step 2: Convert to fraction form
2,130,521.52/3,195,995.51 = 614,241.62/x - Step 3: Cross multiply
2,130,521.52x = 3,195,995.51 × 614,241.62 - Step 4: Simplify right side
2,130,521.52x = 1,963,113,445,130.75 - Step 5: Solve for x
x = 1,963,113,445,130.75/2,130,521.52 - Step 6: Final answer
x = 921,423.90
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1.5x scale
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.