Finding the Fourth Proportional to 1,644,228.48, 2,266,970.58 and 1,257,518.28
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Solution
The fourth proportional to 1,644,228.48, 2,266,970.58 and 1,257,518.28 is: 1,733,796.11
Step by Step Solution
- Step 1: Write the proportion equation
1,644,228.48 : 2,266,970.58 = 1,257,518.28 : x - Step 2: Convert to fraction form
1,644,228.48/2,266,970.58 = 1,257,518.28/x - Step 3: Cross multiply
1,644,228.48x = 2,266,970.58 × 1,257,518.28 - Step 4: Simplify right side
1,644,228.48x = 2,850,756,944,572.20 - Step 5: Solve for x
x = 2,850,756,944,572.20/1,644,228.48 - Step 6: Final answer
x = 1,733,796.11
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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.