Finding the Fourth Proportional to 3,712,811.18, 5,569,221.64 and 1,017,160.08
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Solution
The fourth proportional to 3,712,811.18, 5,569,221.64 and 1,017,160.08 is: 1,525,741.45
Step by Step Solution
- Step 1: Write the proportion equation
3,712,811.18 : 5,569,221.64 = 1,017,160.08 : x - Step 2: Convert to fraction form
3,712,811.18/5,569,221.64 = 1,017,160.08/x - Step 3: Cross multiply
3,712,811.18x = 5,569,221.64 × 1,017,160.08 - Step 4: Simplify right side
3,712,811.18x = 5,664,789,928,880.13 - Step 5: Solve for x
x = 5,664,789,928,880.13/3,712,811.18 - Step 6: Final answer
x = 1,525,741.45
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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.