Finding the Fourth Proportional to 4,854,712.13, 6,699,275.74 and 2,788,274.15
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Solution
The fourth proportional to 4,854,712.13, 6,699,275.74 and 2,788,274.15 is: 3,847,687.95
Step by Step Solution
- Step 1: Write the proportion equation
4,854,712.13 : 6,699,275.74 = 2,788,274.15 : x - Step 2: Convert to fraction form
4,854,712.13/6,699,275.74 = 2,788,274.15/x - Step 3: Cross multiply
4,854,712.13x = 6,699,275.74 × 2,788,274.15 - Step 4: Simplify right side
4,854,712.13x = 18,679,417,369,564.12 - Step 5: Solve for x
x = 18,679,417,369,564.12/4,854,712.13 - Step 6: Final answer
x = 3,847,687.95
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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.