Finding the Fourth Proportional to 2,313,312.18, 3,470,694.18 and 1,391,129.51
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Solution
The fourth proportional to 2,313,312.18, 3,470,694.18 and 1,391,129.51 is: 2,087,130.79
Step by Step Solution
- Step 1: Write the proportion equation
2,313,312.18 : 3,470,694.18 = 1,391,129.51 : x - Step 2: Convert to fraction form
2,313,312.18/3,470,694.18 = 1,391,129.51/x - Step 3: Cross multiply
2,313,312.18x = 3,470,694.18 × 1,391,129.51 - Step 4: Simplify right side
2,313,312.18x = 4,828,185,085,306.52 - Step 5: Solve for x
x = 4,828,185,085,306.52/2,313,312.18 - Step 6: Final answer
x = 2,087,130.79
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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.