Finding the Fourth Proportional to 5,643,041.70, 8,464,562.55 and 4,206,036.90
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Solution
The fourth proportional to 5,643,041.70, 8,464,562.55 and 4,206,036.90 is: 6,309,055.35
Step by Step Solution
- Step 1: Write the proportion equation
5,643,041.70 : 8,464,562.55 = 4,206,036.90 : x - Step 2: Convert to fraction form
5,643,041.70/8,464,562.55 = 4,206,036.90/x - Step 3: Cross multiply
5,643,041.70x = 8,464,562.55 × 4,206,036.90 - Step 4: Simplify right side
5,643,041.70x = 35,602,262,427,658.10 - Step 5: Solve for x
x = 35,602,262,427,658.10/5,643,041.70 - Step 6: Final answer
x = 6,309,055.35
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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.