Finding the Fourth Proportional to 5,825,897.80, 8,742,783.30 and 3,267,107.80
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Solution
The fourth proportional to 5,825,897.80, 8,742,783.30 and 3,267,107.80 is: 4,902,869.31
Step by Step Solution
- Step 1: Write the proportion equation
5,825,897.80 : 8,742,783.30 = 3,267,107.80 : x - Step 2: Convert to fraction form
5,825,897.80/8,742,783.30 = 3,267,107.80/x - Step 3: Cross multiply
5,825,897.80x = 8,742,783.30 × 3,267,107.80 - Step 4: Simplify right side
5,825,897.80x = 28,563,615,513,139.74 - Step 5: Solve for x
x = 28,563,615,513,139.74/5,825,897.80 - Step 6: Final answer
x = 4,902,869.31
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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.