Finding the Fourth Proportional to 1,872,548.70, 2,808,823.05 and 1,153,463.10
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Solution
The fourth proportional to 1,872,548.70, 2,808,823.05 and 1,153,463.10 is: 1,730,194.65
Step by Step Solution
- Step 1: Write the proportion equation
1,872,548.70 : 2,808,823.05 = 1,153,463.10 : x - Step 2: Convert to fraction form
1,872,548.70/2,808,823.05 = 1,153,463.10/x - Step 3: Cross multiply
1,872,548.70x = 2,808,823.05 × 1,153,463.10 - Step 4: Simplify right side
1,872,548.70x = 3,239,873,742,604.46 - Step 5: Solve for x
x = 3,239,873,742,604.46/1,872,548.70 - Step 6: Final answer
x = 1,730,194.65
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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.