Finding the Fourth Proportional to 2,136,918.04, 2,948,946.54 and 1,170,048.18
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Solution
The fourth proportional to 2,136,918.04, 2,948,946.54 and 1,170,048.18 is: 1,614,666.29
Step by Step Solution
- Step 1: Write the proportion equation
2,136,918.04 : 2,948,946.54 = 1,170,048.18 : x - Step 2: Convert to fraction form
2,136,918.04/2,948,946.54 = 1,170,048.18/x - Step 3: Cross multiply
2,136,918.04x = 2,948,946.54 × 1,170,048.18 - Step 4: Simplify right side
2,136,918.04x = 3,450,409,532,044.30 - Step 5: Solve for x
x = 3,450,409,532,044.30/2,136,918.04 - Step 6: Final answer
x = 1,614,666.29
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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.