Finding the Fourth Proportional to 1,666,489.90, 2,298,835.26 and 1,356,725.70
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Solution
The fourth proportional to 1,666,489.90, 2,298,835.26 and 1,356,725.70 is: 1,871,531.82
Step by Step Solution
- Step 1: Write the proportion equation
1,666,489.90 : 2,298,835.26 = 1,356,725.70 : x - Step 2: Convert to fraction form
1,666,489.90/2,298,835.26 = 1,356,725.70/x - Step 3: Cross multiply
1,666,489.90x = 2,298,835.26 × 1,356,725.70 - Step 4: Simplify right side
1,666,489.90x = 3,118,888,877,308.18 - Step 5: Solve for x
x = 3,118,888,877,308.18/1,666,489.90 - Step 6: Final answer
x = 1,871,531.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.