Finding the Fourth Proportional to 2,950,665.66, 4,071,809.12 and 1,643,886.99
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Solution
The fourth proportional to 2,950,665.66, 4,071,809.12 and 1,643,886.99 is: 2,268,503.04
Step by Step Solution
- Step 1: Write the proportion equation
2,950,665.66 : 4,071,809.12 = 1,643,886.99 : x - Step 2: Convert to fraction form
2,950,665.66/4,071,809.12 = 1,643,886.99/x - Step 3: Cross multiply
2,950,665.66x = 4,071,809.12 × 1,643,886.99 - Step 4: Simplify right side
2,950,665.66x = 6,693,594,029,911.91 - Step 5: Solve for x
x = 6,693,594,029,911.91/2,950,665.66 - Step 6: Final answer
x = 2,268,503.04
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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.