Finding the Fourth Proportional to 2,031,963.77, 2,804,141.53 and 1,114,276.70
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Solution
The fourth proportional to 2,031,963.77, 2,804,141.53 and 1,114,276.70 is: 1,537,719.14
Step by Step Solution
- Step 1: Write the proportion equation
2,031,963.77 : 2,804,141.53 = 1,114,276.70 : x - Step 2: Convert to fraction form
2,031,963.77/2,804,141.53 = 1,114,276.70/x - Step 3: Cross multiply
2,031,963.77x = 2,804,141.53 × 1,114,276.70 - Step 4: Simplify right side
2,031,963.77x = 3,124,589,578,784.55 - Step 5: Solve for x
x = 3,124,589,578,784.55/2,031,963.77 - Step 6: Final answer
x = 1,537,719.14
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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.