Finding the Fourth Proportional to 1,809,970.88, 2,497,764.84 and 1,005,154.88
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Solution
The fourth proportional to 1,809,970.88, 2,497,764.84 and 1,005,154.88 is: 1,387,116.53
Step by Step Solution
- Step 1: Write the proportion equation
1,809,970.88 : 2,497,764.84 = 1,005,154.88 : x - Step 2: Convert to fraction form
1,809,970.88/2,497,764.84 = 1,005,154.88/x - Step 3: Cross multiply
1,809,970.88x = 2,497,764.84 × 1,005,154.88 - Step 4: Simplify right side
1,809,970.88x = 2,510,640,518,018.42 - Step 5: Solve for x
x = 2,510,640,518,018.42/1,809,970.88 - Step 6: Final answer
x = 1,387,116.53
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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.