Finding the Fourth Proportional to 3,186,443.08, 4,395,282.06 and 1,896,320.44
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Solution
The fourth proportional to 3,186,443.08, 4,395,282.06 and 1,896,320.44 is: 2,615,726.38
Step by Step Solution
- Step 1: Write the proportion equation
3,186,443.08 : 4,395,282.06 = 1,896,320.44 : x - Step 2: Convert to fraction form
3,186,443.08/4,395,282.06 = 1,896,320.44/x - Step 3: Cross multiply
3,186,443.08x = 4,395,282.06 × 1,896,320.44 - Step 4: Simplify right side
3,186,443.08x = 8,334,863,209,943.31 - Step 5: Solve for x
x = 8,334,863,209,943.31/3,186,443.08 - Step 6: Final answer
x = 2,615,726.38
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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.