Finding the Fourth Proportional to 2,187,326.04, 3,018,518.28 and 1,220,497.08
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Solution
The fourth proportional to 2,187,326.04, 3,018,518.28 and 1,220,497.08 is: 1,684,290.63
Step by Step Solution
- Step 1: Write the proportion equation
2,187,326.04 : 3,018,518.28 = 1,220,497.08 : x - Step 2: Convert to fraction form
2,187,326.04/3,018,518.28 = 1,220,497.08/x - Step 3: Cross multiply
2,187,326.04x = 3,018,518.28 × 1,220,497.08 - Step 4: Simplify right side
2,187,326.04x = 3,684,092,746,666.62 - Step 5: Solve for x
x = 3,684,092,746,666.62/2,187,326.04 - Step 6: Final answer
x = 1,684,290.63
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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.