Finding the Fourth Proportional to 2,114,482.02, 2,917,986.77 and 1,147,612.06
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Solution
The fourth proportional to 2,114,482.02, 2,917,986.77 and 1,147,612.06 is: 1,583,705.50
Step by Step Solution
- Step 1: Write the proportion equation
2,114,482.02 : 2,917,986.77 = 1,147,612.06 : x - Step 2: Convert to fraction form
2,114,482.02/2,917,986.77 = 1,147,612.06/x - Step 3: Cross multiply
2,114,482.02x = 2,917,986.77 × 1,147,612.06 - Step 4: Simplify right side
2,114,482.02x = 3,348,716,803,746.51 - Step 5: Solve for x
x = 3,348,716,803,746.51/2,114,482.02 - Step 6: Final answer
x = 1,583,705.50
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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.