Finding the Fourth Proportional to 4,461,315.52, 6,688,211.28 and 1,935,068.80
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Solution
The fourth proportional to 4,461,315.52, 6,688,211.28 and 1,935,068.80 is: 2,900,971.46
Step by Step Solution
- Step 1: Write the proportion equation
4,461,315.52 : 6,688,211.28 = 1,935,068.80 : x - Step 2: Convert to fraction form
4,461,315.52/6,688,211.28 = 1,935,068.80/x - Step 3: Cross multiply
4,461,315.52x = 6,688,211.28 × 1,935,068.80 - Step 4: Simplify right side
4,461,315.52x = 12,942,148,975,736.06 - Step 5: Solve for x
x = 12,942,148,975,736.06/4,461,315.52 - Step 6: Final answer
x = 2,900,971.46
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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.