Finding the Fourth Proportional to 1,660,409.60, 2,490,588.80 and 1,126,603.52
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Solution
The fourth proportional to 1,660,409.60, 2,490,588.80 and 1,126,603.52 is: 1,689,887.91
Step by Step Solution
- Step 1: Write the proportion equation
1,660,409.60 : 2,490,588.80 = 1,126,603.52 : x - Step 2: Convert to fraction form
1,660,409.60/2,490,588.80 = 1,126,603.52/x - Step 3: Cross multiply
1,660,409.60x = 2,490,588.80 × 1,126,603.52 - Step 4: Simplify right side
1,660,409.60x = 2,805,906,108,952.58 - Step 5: Solve for x
x = 2,805,906,108,952.58/1,660,409.60 - Step 6: Final answer
x = 1,689,887.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.