Finding the Fourth Proportional to 4,643,158.24, 6,407,558.40 and 2,605,967.74
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Solution
The fourth proportional to 4,643,158.24, 6,407,558.40 and 2,605,967.74 is: 3,596,235.50
Step by Step Solution
- Step 1: Write the proportion equation
4,643,158.24 : 6,407,558.40 = 2,605,967.74 : x - Step 2: Convert to fraction form
4,643,158.24/6,407,558.40 = 2,605,967.74/x - Step 3: Cross multiply
4,643,158.24x = 6,407,558.40 × 2,605,967.74 - Step 4: Simplify right side
4,643,158.24x = 16,697,890,482,566.02 - Step 5: Solve for x
x = 16,697,890,482,566.02/4,643,158.24 - Step 6: Final answer
x = 3,596,235.50
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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.