Finding the Fourth Proportional to 2,742,893.80, 4,114,340.70 and 1,144,925.80
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Solution
The fourth proportional to 2,742,893.80, 4,114,340.70 and 1,144,925.80 is: 1,717,388.70
Step by Step Solution
- Step 1: Write the proportion equation
2,742,893.80 : 4,114,340.70 = 1,144,925.80 : x - Step 2: Convert to fraction form
2,742,893.80/4,114,340.70 = 1,144,925.80/x - Step 3: Cross multiply
2,742,893.80x = 4,114,340.70 × 1,144,925.80 - Step 4: Simplify right side
2,742,893.80x = 4,710,614,817,420.06 - Step 5: Solve for x
x = 4,710,614,817,420.06/2,742,893.80 - Step 6: Final answer
x = 1,717,388.70
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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.