Finding the Fourth Proportional to 1,487,858.60, 2,053,265.28 and 808,809.68
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Solution
The fourth proportional to 1,487,858.60, 2,053,265.28 and 808,809.68 is: 1,116,168.45
Step by Step Solution
- Step 1: Write the proportion equation
1,487,858.60 : 2,053,265.28 = 808,809.68 : x - Step 2: Convert to fraction form
1,487,858.60/2,053,265.28 = 808,809.68/x - Step 3: Cross multiply
1,487,858.60x = 2,053,265.28 × 808,809.68 - Step 4: Simplify right side
1,487,858.60x = 1,660,700,834,071.91 - Step 5: Solve for x
x = 1,660,700,834,071.91/1,487,858.60 - Step 6: Final answer
x = 1,116,168.45
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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.