Finding the Fourth Proportional to 4,722,150.80, 6,516,424.68 and 2,657,281.52
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Solution
The fourth proportional to 4,722,150.80, 6,516,424.68 and 2,657,281.52 is: 3,666,967.79
Step by Step Solution
- Step 1: Write the proportion equation
4,722,150.80 : 6,516,424.68 = 2,657,281.52 : x - Step 2: Convert to fraction form
4,722,150.80/6,516,424.68 = 2,657,281.52/x - Step 3: Cross multiply
4,722,150.80x = 6,516,424.68 × 2,657,281.52 - Step 4: Simplify right side
4,722,150.80x = 17,315,974,878,635.91 - Step 5: Solve for x
x = 17,315,974,878,635.91/4,722,150.80 - Step 6: Final answer
x = 3,666,967.79
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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.