Finding the Fourth Proportional to 1,560,710.60, 2,153,955.42 and 881,690.84
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Solution
The fourth proportional to 1,560,710.60, 2,153,955.42 and 881,690.84 is: 1,216,832.10
Step by Step Solution
- Step 1: Write the proportion equation
1,560,710.60 : 2,153,955.42 = 881,690.84 : x - Step 2: Convert to fraction form
1,560,710.60/2,153,955.42 = 881,690.84/x - Step 3: Cross multiply
1,560,710.60x = 2,153,955.42 × 881,690.84 - Step 4: Simplify right side
1,560,710.60x = 1,899,122,763,582.35 - Step 5: Solve for x
x = 1,899,122,763,582.35/1,560,710.60 - Step 6: Final answer
x = 1,216,832.10
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1.5x scale
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.