Finding the Fourth Proportional to 4,900,726.74, 6,762,011.85 and 2,863,142.58
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Solution
The fourth proportional to 4,900,726.74, 6,762,011.85 and 2,863,142.58 is: 3,950,557.76
Step by Step Solution
- Step 1: Write the proportion equation
4,900,726.74 : 6,762,011.85 = 2,863,142.58 : x - Step 2: Convert to fraction form
4,900,726.74/6,762,011.85 = 2,863,142.58/x - Step 3: Cross multiply
4,900,726.74x = 6,762,011.85 × 2,863,142.58 - Step 4: Simplify right side
4,900,726.74x = 19,360,604,054,199.57 - Step 5: Solve for x
x = 19,360,604,054,199.57/4,900,726.74 - Step 6: Final answer
x = 3,950,557.76
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1.5x scale
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.