Finding the Fourth Proportional to 1,913,058.62, 2,639,899.79 and 1,053,618.88
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Solution
The fourth proportional to 1,913,058.62, 2,639,899.79 and 1,053,618.88 is: 1,453,927.35
Step by Step Solution
- Step 1: Write the proportion equation
1,913,058.62 : 2,639,899.79 = 1,053,618.88 : x - Step 2: Convert to fraction form
1,913,058.62/2,639,899.79 = 1,053,618.88/x - Step 3: Cross multiply
1,913,058.62x = 2,639,899.79 × 1,053,618.88 - Step 4: Simplify right side
1,913,058.62x = 2,781,448,248,184.19 - Step 5: Solve for x
x = 2,781,448,248,184.19/1,913,058.62 - Step 6: Final answer
x = 1,453,927.35
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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.