Finding the Fourth Proportional to 1,358,977.94, 1,875,237.18 and 815,135.84
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Solution
The fourth proportional to 1,358,977.94, 1,875,237.18 and 815,135.84 is: 1,124,796.06
Step by Step Solution
- Step 1: Write the proportion equation
1,358,977.94 : 1,875,237.18 = 815,135.84 : x - Step 2: Convert to fraction form
1,358,977.94/1,875,237.18 = 815,135.84/x - Step 3: Cross multiply
1,358,977.94x = 1,875,237.18 × 815,135.84 - Step 4: Simplify right side
1,358,977.94x = 1,528,573,033,918.53 - Step 5: Solve for x
x = 1,528,573,033,918.53/1,358,977.94 - Step 6: Final answer
x = 1,124,796.06
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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.