Finding the Fourth Proportional to 4,257,707.70, 6,386,561.55 and 2,746,053.30
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Solution
The fourth proportional to 4,257,707.70, 6,386,561.55 and 2,746,053.30 is: 4,119,079.95
Step by Step Solution
- Step 1: Write the proportion equation
4,257,707.70 : 6,386,561.55 = 2,746,053.30 : x - Step 2: Convert to fraction form
4,257,707.70/6,386,561.55 = 2,746,053.30/x - Step 3: Cross multiply
4,257,707.70x = 6,386,561.55 × 2,746,053.30 - Step 4: Simplify right side
4,257,707.70x = 17,537,838,420,030.61 - Step 5: Solve for x
x = 17,537,838,420,030.61/4,257,707.70 - Step 6: Final answer
x = 4,119,079.95
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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.