Finding the Fourth Proportional to 1,563,423.41, 2,157,343.01 and 875,133.81
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Solution
The fourth proportional to 1,563,423.41, 2,157,343.01 and 875,133.81 is: 1,207,583.18
Step by Step Solution
- Step 1: Write the proportion equation
1,563,423.41 : 2,157,343.01 = 875,133.81 : x - Step 2: Convert to fraction form
1,563,423.41/2,157,343.01 = 875,133.81/x - Step 3: Cross multiply
1,563,423.41x = 2,157,343.01 × 875,133.81 - Step 4: Simplify right side
1,563,423.41x = 1,887,963,803,442.50 - Step 5: Solve for x
x = 1,887,963,803,442.50/1,563,423.41 - Step 6: Final answer
x = 1,207,583.18
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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.