Finding the Fourth Proportional to 4,290,646.90, 6,435,970.35 and 2,268,109.30
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Solution
The fourth proportional to 4,290,646.90, 6,435,970.35 and 2,268,109.30 is: 3,402,163.95
Step by Step Solution
- Step 1: Write the proportion equation
4,290,646.90 : 6,435,970.35 = 2,268,109.30 : x - Step 2: Convert to fraction form
4,290,646.90/6,435,970.35 = 2,268,109.30/x - Step 3: Cross multiply
4,290,646.90x = 6,435,970.35 × 2,268,109.30 - Step 4: Simplify right side
4,290,646.90x = 14,597,484,205,359.25 - Step 5: Solve for x
x = 14,597,484,205,359.25/4,290,646.90 - Step 6: Final answer
x = 3,402,163.95
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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.