Finding the Fourth Proportional to 1,558,282.14, 2,145,632.96 and 1,328,323.95
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Solution
The fourth proportional to 1,558,282.14, 2,145,632.96 and 1,328,323.95 is: 1,828,998.47
Step by Step Solution
- Step 1: Write the proportion equation
1,558,282.14 : 2,145,632.96 = 1,328,323.95 : x - Step 2: Convert to fraction form
1,558,282.14/2,145,632.96 = 1,328,323.95/x - Step 3: Cross multiply
1,558,282.14x = 2,145,632.96 × 1,328,323.95 - Step 4: Simplify right side
1,558,282.14x = 2,850,095,651,998.20 - Step 5: Solve for x
x = 2,850,095,651,998.20/1,558,282.14 - Step 6: Final answer
x = 1,828,998.47
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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.