Finding the Fourth Proportional to 2,637,813.52, 3,639,026.91 and 1,549,594.18
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Solution
The fourth proportional to 2,637,813.52, 3,639,026.91 and 1,549,594.18 is: 2,137,761.02
Step by Step Solution
- Step 1: Write the proportion equation
2,637,813.52 : 3,639,026.91 = 1,549,594.18 : x - Step 2: Convert to fraction form
2,637,813.52/3,639,026.91 = 1,549,594.18/x - Step 3: Cross multiply
2,637,813.52x = 3,639,026.91 × 1,549,594.18 - Step 4: Simplify right side
2,637,813.52x = 5,639,014,920,599.38 - Step 5: Solve for x
x = 5,639,014,920,599.38/2,637,813.52 - Step 6: Final answer
x = 2,137,761.02
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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.