Finding the Fourth Proportional to 2,130,288.06, 3,195,497.71 and 931,593.36
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Solution
The fourth proportional to 2,130,288.06, 3,195,497.71 and 931,593.36 is: 1,397,418.74
Step by Step Solution
- Step 1: Write the proportion equation
2,130,288.06 : 3,195,497.71 = 931,593.36 : x - Step 2: Convert to fraction form
2,130,288.06/3,195,497.71 = 931,593.36/x - Step 3: Cross multiply
2,130,288.06x = 3,195,497.71 × 931,593.36 - Step 4: Simplify right side
2,130,288.06x = 2,976,904,461,678.81 - Step 5: Solve for x
x = 2,976,904,461,678.81/2,130,288.06 - Step 6: Final answer
x = 1,397,418.74
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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.