Finding the Fourth Proportional to 2,518,458.24, 3,475,484.09 and 1,430,789.50
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Solution
The fourth proportional to 2,518,458.24, 3,475,484.09 and 1,430,789.50 is: 1,974,496.17
Step by Step Solution
- Step 1: Write the proportion equation
2,518,458.24 : 3,475,484.09 = 1,430,789.50 : x - Step 2: Convert to fraction form
2,518,458.24/3,475,484.09 = 1,430,789.50/x - Step 3: Cross multiply
2,518,458.24x = 3,475,484.09 × 1,430,789.50 - Step 4: Simplify right side
2,518,458.24x = 4,972,686,143,389.06 - Step 5: Solve for x
x = 4,972,686,143,389.06/2,518,458.24 - Step 6: Final answer
x = 1,974,496.17
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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.