Finding the Fourth Proportional to 1,248,347.98, 1,872,079.10 and 449,415
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Solution
The fourth proportional to 1,248,347.98, 1,872,079.10 and 449,415 is: 673,963.06
Step by Step Solution
- Step 1: Write the proportion equation
1,248,347.98 : 1,872,079.10 = 449,415 : x - Step 2: Convert to fraction form
1,248,347.98/1,872,079.10 = 449,415/x - Step 3: Cross multiply
1,248,347.98x = 1,872,079.10 × 449,415 - Step 4: Simplify right side
1,248,347.98x = 841,340,428,726.50 - Step 5: Solve for x
x = 841,340,428,726.50/1,248,347.98 - Step 6: Final answer
x = 673,963.06
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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.