Finding the Fourth Proportional to 4,989,744.58, 6,885,807.41 and 2,896,781.21
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Solution
The fourth proportional to 4,989,744.58, 6,885,807.41 and 2,896,781.21 is: 3,997,534.79
Step by Step Solution
- Step 1: Write the proportion equation
4,989,744.58 : 6,885,807.41 = 2,896,781.21 : x - Step 2: Convert to fraction form
4,989,744.58/6,885,807.41 = 2,896,781.21/x - Step 3: Cross multiply
4,989,744.58x = 6,885,807.41 × 2,896,781.21 - Step 4: Simplify right side
4,989,744.58x = 19,946,677,545,423.23 - Step 5: Solve for x
x = 19,946,677,545,423.23/4,989,744.58 - Step 6: Final answer
x = 3,997,534.79
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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.