Finding the Fourth Proportional to 1,730,257.28, 2,386,439.52 and 1,488,942.08
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Solution
The fourth proportional to 1,730,257.28, 2,386,439.52 and 1,488,942.08 is: 2,053,608.02
Step by Step Solution
- Step 1: Write the proportion equation
1,730,257.28 : 2,386,439.52 = 1,488,942.08 : x - Step 2: Convert to fraction form
1,730,257.28/2,386,439.52 = 1,488,942.08/x - Step 3: Cross multiply
1,730,257.28x = 2,386,439.52 × 1,488,942.08 - Step 4: Simplify right side
1,730,257.28x = 3,553,270,222,703.00 - Step 5: Solve for x
x = 3,553,270,222,703.00/1,730,257.28 - Step 6: Final answer
x = 2,053,608.02
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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.