Finding the Fourth Proportional to 3,106,840.08, 4,287,166.20 and 1,730,079.84
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Solution
The fourth proportional to 3,106,840.08, 4,287,166.20 and 1,730,079.84 is: 2,387,358.09
Step by Step Solution
- Step 1: Write the proportion equation
3,106,840.08 : 4,287,166.20 = 1,730,079.84 : x - Step 2: Convert to fraction form
3,106,840.08/4,287,166.20 = 1,730,079.84/x - Step 3: Cross multiply
3,106,840.08x = 4,287,166.20 × 1,730,079.84 - Step 4: Simplify right side
3,106,840.08x = 7,417,139,813,349.41 - Step 5: Solve for x
x = 7,417,139,813,349.41/3,106,840.08 - Step 6: Final answer
x = 2,387,358.09
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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.