Finding the Fourth Proportional to 1,915,304.59, 2,643,149.64 and 1,044,139.87
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Solution
The fourth proportional to 1,915,304.59, 2,643,149.64 and 1,044,139.87 is: 1,440,929.00
Step by Step Solution
- Step 1: Write the proportion equation
1,915,304.59 : 2,643,149.64 = 1,044,139.87 : x - Step 2: Convert to fraction form
1,915,304.59/2,643,149.64 = 1,044,139.87/x - Step 3: Cross multiply
1,915,304.59x = 2,643,149.64 × 1,044,139.87 - Step 4: Simplify right side
1,915,304.59x = 2,759,817,921,500.15 - Step 5: Solve for x
x = 2,759,817,921,500.15/1,915,304.59 - Step 6: Final answer
x = 1,440,929.00
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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.