Finding the Fourth Proportional to 1,563,689.63, 2,157,772.48 and 875,203.81
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Solution
The fourth proportional to 1,563,689.63, 2,157,772.48 and 875,203.81 is: 1,207,714.53
Step by Step Solution
- Step 1: Write the proportion equation
1,563,689.63 : 2,157,772.48 = 875,203.81 : x - Step 2: Convert to fraction form
1,563,689.63/2,157,772.48 = 875,203.81/x - Step 3: Cross multiply
1,563,689.63x = 2,157,772.48 × 875,203.81 - Step 4: Simplify right side
1,563,689.63x = 1,888,490,688,026.71 - Step 5: Solve for x
x = 1,888,490,688,026.71/1,563,689.63 - Step 6: Final answer
x = 1,207,714.53
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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.