Finding the Fourth Proportional to 1,487,575.94, 2,053,697.79 and 1,138,058.76
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Solution
The fourth proportional to 1,487,575.94, 2,053,697.79 and 1,138,058.76 is: 1,571,166.02
Step by Step Solution
- Step 1: Write the proportion equation
1,487,575.94 : 2,053,697.79 = 1,138,058.76 : x - Step 2: Convert to fraction form
1,487,575.94/2,053,697.79 = 1,138,058.76/x - Step 3: Cross multiply
1,487,575.94x = 2,053,697.79 × 1,138,058.76 - Step 4: Simplify right side
1,487,575.94x = 2,337,228,760,719.18 - Step 5: Solve for x
x = 2,337,228,760,719.18/1,487,575.94 - Step 6: Final answer
x = 1,571,166.02
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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.