Finding the Fourth Proportional to 1,803,954.92, 2,488,513.96 and 1,115,406.68
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Solution
The fourth proportional to 1,803,954.92, 2,488,513.96 and 1,115,406.68 is: 1,538,677.63
Step by Step Solution
- Step 1: Write the proportion equation
1,803,954.92 : 2,488,513.96 = 1,115,406.68 : x - Step 2: Convert to fraction form
1,803,954.92/2,488,513.96 = 1,115,406.68/x - Step 3: Cross multiply
1,803,954.92x = 2,488,513.96 × 1,115,406.68 - Step 4: Simplify right side
1,803,954.92x = 2,775,705,076,237.65 - Step 5: Solve for x
x = 2,775,705,076,237.65/1,803,954.92 - Step 6: Final answer
x = 1,538,677.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.