Finding the Fourth Proportional to 4,545,112.50, 6,818,810.58 and 1,306,656.09
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Solution
The fourth proportional to 4,545,112.50, 6,818,810.58 and 1,306,656.09 is: 1,960,312.40
Step by Step Solution
- Step 1: Write the proportion equation
4,545,112.50 : 6,818,810.58 = 1,306,656.09 : x - Step 2: Convert to fraction form
4,545,112.50/6,818,810.58 = 1,306,656.09/x - Step 3: Cross multiply
4,545,112.50x = 6,818,810.58 × 1,306,656.09 - Step 4: Simplify right side
4,545,112.50x = 8,909,840,370,913.43 - Step 5: Solve for x
x = 8,909,840,370,913.43/4,545,112.50 - Step 6: Final answer
x = 1,960,312.40
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1.5x scale
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.