Finding the Fourth Proportional to 4,872,485.07, 6,722,483.63 and 2,834,900.91
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Solution
The fourth proportional to 4,872,485.07, 6,722,483.63 and 2,834,900.91 is: 3,911,263.90
Step by Step Solution
- Step 1: Write the proportion equation
4,872,485.07 : 6,722,483.63 = 2,834,900.91 : x - Step 2: Convert to fraction form
4,872,485.07/6,722,483.63 = 2,834,900.91/x - Step 3: Cross multiply
4,872,485.07x = 6,722,483.63 × 2,834,900.91 - Step 4: Simplify right side
4,872,485.07x = 19,057,574,945,972.60 - Step 5: Solve for x
x = 19,057,574,945,972.60/4,872,485.07 - Step 6: Final answer
x = 3,911,263.90
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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.