Finding the Fourth Proportional to 1,658,390.36, 2,487,656.61 and 579,011.90
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Solution
The fourth proportional to 1,658,390.36, 2,487,656.61 and 579,011.90 is: 868,542.66
Step by Step Solution
- Step 1: Write the proportion equation
1,658,390.36 : 2,487,656.61 = 579,011.90 : x - Step 2: Convert to fraction form
1,658,390.36/2,487,656.61 = 579,011.90/x - Step 3: Cross multiply
1,658,390.36x = 2,487,656.61 × 579,011.90 - Step 4: Simplify right side
1,658,390.36x = 1,440,382,767,865.38 - Step 5: Solve for x
x = 1,440,382,767,865.38/1,658,390.36 - Step 6: Final answer
x = 868,542.66
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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.