Finding the Fourth Proportional to 1,426,230.18, 2,139,802.49 and 415,412.91
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Solution
The fourth proportional to 1,426,230.18, 2,139,802.49 and 415,412.91 is: 623,252.54
Step by Step Solution
- Step 1: Write the proportion equation
1,426,230.18 : 2,139,802.49 = 415,412.91 : x - Step 2: Convert to fraction form
1,426,230.18/2,139,802.49 = 415,412.91/x - Step 3: Cross multiply
1,426,230.18x = 2,139,802.49 × 415,412.91 - Step 4: Simplify right side
1,426,230.18x = 888,901,577,119.08 - Step 5: Solve for x
x = 888,901,577,119.08/1,426,230.18 - Step 6: Final answer
x = 623,252.54
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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.