Finding the Fourth Proportional to 6,238,354.95, 9,358,425.06 and 1,920,770.49
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Solution
The fourth proportional to 6,238,354.95, 9,358,425.06 and 1,920,770.49 is: 2,881,430.57
Step by Step Solution
- Step 1: Write the proportion equation
6,238,354.95 : 9,358,425.06 = 1,920,770.49 : x - Step 2: Convert to fraction form
6,238,354.95/9,358,425.06 = 1,920,770.49/x - Step 3: Cross multiply
6,238,354.95x = 9,358,425.06 × 1,920,770.49 - Step 4: Simplify right side
6,238,354.95x = 17,975,386,688,124.48 - Step 5: Solve for x
x = 17,975,386,688,124.48/6,238,354.95 - Step 6: Final answer
x = 2,881,430.57
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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.