Finding the Fourth Proportional to 2,020,257.24, 2,788,432.14 and 1,161,315.80
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Solution
The fourth proportional to 2,020,257.24, 2,788,432.14 and 1,161,315.80 is: 1,602,890.09
Step by Step Solution
- Step 1: Write the proportion equation
2,020,257.24 : 2,788,432.14 = 1,161,315.80 : x - Step 2: Convert to fraction form
2,020,257.24/2,788,432.14 = 1,161,315.80/x - Step 3: Cross multiply
2,020,257.24x = 2,788,432.14 × 1,161,315.80 - Step 4: Simplify right side
2,020,257.24x = 3,238,250,301,409.81 - Step 5: Solve for x
x = 3,238,250,301,409.81/2,020,257.24 - Step 6: Final answer
x = 1,602,890.09
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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.