Finding the Fourth Proportional to 4,319,756.94, 6,480,007.50 and 1,124,888.94
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Solution
The fourth proportional to 4,319,756.94, 6,480,007.50 and 1,124,888.94 is: 1,687,430.30
Step by Step Solution
- Step 1: Write the proportion equation
4,319,756.94 : 6,480,007.50 = 1,124,888.94 : x - Step 2: Convert to fraction form
4,319,756.94/6,480,007.50 = 1,124,888.94/x - Step 3: Cross multiply
4,319,756.94x = 6,480,007.50 × 1,124,888.94 - Step 4: Simplify right side
4,319,756.94x = 7,289,288,767,867.05 - Step 5: Solve for x
x = 7,289,288,767,867.05/4,319,756.94 - Step 6: Final answer
x = 1,687,430.30
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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.