Finding the Fourth Proportional to 1,487,897.40, 2,236,511.70 and 1,459,903.80
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Solution
The fourth proportional to 1,487,897.40, 2,236,511.70 and 1,459,903.80 is: 2,194,433.52
Step by Step Solution
- Step 1: Write the proportion equation
1,487,897.40 : 2,236,511.70 = 1,459,903.80 : x - Step 2: Convert to fraction form
1,487,897.40/2,236,511.70 = 1,459,903.80/x - Step 3: Cross multiply
1,487,897.40x = 2,236,511.70 × 1,459,903.80 - Step 4: Simplify right side
1,487,897.40x = 3,265,091,929,574.46 - Step 5: Solve for x
x = 3,265,091,929,574.46/1,487,897.40 - Step 6: Final answer
x = 2,194,433.52
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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.