Finding the Fourth Proportional to 1,576,124.19, 2,175,185.39 and 887,931.18
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Solution
The fourth proportional to 1,576,124.19, 2,175,185.39 and 887,931.18 is: 1,225,420.52
Step by Step Solution
- Step 1: Write the proportion equation
1,576,124.19 : 2,175,185.39 = 887,931.18 : x - Step 2: Convert to fraction form
1,576,124.19/2,175,185.39 = 887,931.18/x - Step 3: Cross multiply
1,576,124.19x = 2,175,185.39 × 887,931.18 - Step 4: Simplify right side
1,576,124.19x = 1,931,414,925,621.80 - Step 5: Solve for x
x = 1,931,414,925,621.80/1,576,124.19 - Step 6: Final answer
x = 1,225,420.52
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1.5x scale
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.