Finding the Fourth Proportional to 1,974,289.14, 2,961,434.10 and 712,116.63
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Solution
The fourth proportional to 1,974,289.14, 2,961,434.10 and 712,116.63 is: 1,068,175.09
Step by Step Solution
- Step 1: Write the proportion equation
1,974,289.14 : 2,961,434.10 = 712,116.63 : x - Step 2: Convert to fraction form
1,974,289.14/2,961,434.10 = 712,116.63/x - Step 3: Cross multiply
1,974,289.14x = 2,961,434.10 × 712,116.63 - Step 4: Simplify right side
1,974,289.14x = 2,108,886,471,259.08 - Step 5: Solve for x
x = 2,108,886,471,259.08/1,974,289.14 - Step 6: Final answer
x = 1,068,175.09
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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.