Finding the Fourth Proportional to 1,415,907.34, 2,124,168.55 and 517,347.63
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Solution
The fourth proportional to 1,415,907.34, 2,124,168.55 and 517,347.63 is: 776,133.82
Step by Step Solution
- Step 1: Write the proportion equation
1,415,907.34 : 2,124,168.55 = 517,347.63 : x - Step 2: Convert to fraction form
1,415,907.34/2,124,168.55 = 517,347.63/x - Step 3: Cross multiply
1,415,907.34x = 2,124,168.55 × 517,347.63 - Step 4: Simplify right side
1,415,907.34x = 1,098,933,572,653.97 - Step 5: Solve for x
x = 1,098,933,572,653.97/1,415,907.34 - Step 6: Final answer
x = 776,133.82
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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.