Finding the Fourth Proportional to 4,032,686.18, 5,565,055.77 and 2,197,220.91
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Solution
The fourth proportional to 4,032,686.18, 5,565,055.77 and 2,197,220.91 is: 3,032,136.99
Step by Step Solution
- Step 1: Write the proportion equation
4,032,686.18 : 5,565,055.77 = 2,197,220.91 : x - Step 2: Convert to fraction form
4,032,686.18/5,565,055.77 = 2,197,220.91/x - Step 3: Cross multiply
4,032,686.18x = 5,565,055.77 × 2,197,220.91 - Step 4: Simplify right side
4,032,686.18x = 12,227,656,903,160.15 - Step 5: Solve for x
x = 12,227,656,903,160.15/4,032,686.18 - Step 6: Final answer
x = 3,032,136.99
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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.