Finding the Fourth Proportional to 1,986,963.53, 2,979,548.62 and 566,681.99
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Solution
The fourth proportional to 1,986,963.53, 2,979,548.62 and 566,681.99 is: 849,767.25
Step by Step Solution
- Step 1: Write the proportion equation
1,986,963.53 : 2,979,548.62 = 566,681.99 : x - Step 2: Convert to fraction form
1,986,963.53/2,979,548.62 = 566,681.99/x - Step 3: Cross multiply
1,986,963.53x = 2,979,548.62 × 566,681.99 - Step 4: Simplify right side
1,986,963.53x = 1,688,456,524,968.91 - Step 5: Solve for x
x = 1,688,456,524,968.91/1,986,963.53 - Step 6: Final answer
x = 849,767.25
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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.