Finding the Fourth Proportional to 2,077,269.80, 3,115,904.70 and 1,878,204.20
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Solution
The fourth proportional to 2,077,269.80, 3,115,904.70 and 1,878,204.20 is: 2,817,306.30
Step by Step Solution
- Step 1: Write the proportion equation
2,077,269.80 : 3,115,904.70 = 1,878,204.20 : x - Step 2: Convert to fraction form
2,077,269.80/3,115,904.70 = 1,878,204.20/x - Step 3: Cross multiply
2,077,269.80x = 3,115,904.70 × 1,878,204.20 - Step 4: Simplify right side
2,077,269.80x = 5,852,305,294,339.74 - Step 5: Solve for x
x = 5,852,305,294,339.74/2,077,269.80 - Step 6: Final answer
x = 2,817,306.30
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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.