Finding the Fourth Proportional to 2,878,054.29, 4,316,329.35 and 855,753.66
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Solution
The fourth proportional to 2,878,054.29, 4,316,329.35 and 855,753.66 is: 1,283,406.87
Step by Step Solution
- Step 1: Write the proportion equation
2,878,054.29 : 4,316,329.35 = 855,753.66 : x - Step 2: Convert to fraction form
2,878,054.29/4,316,329.35 = 855,753.66/x - Step 3: Cross multiply
2,878,054.29x = 4,316,329.35 × 855,753.66 - Step 4: Simplify right side
2,878,054.29x = 3,693,714,639,027.92 - Step 5: Solve for x
x = 3,693,714,639,027.92/2,878,054.29 - Step 6: Final answer
x = 1,283,406.87
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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.