Finding the Fourth Proportional to 1,416,646.23, 2,125,595.40 and 742,566.36
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Solution
The fourth proportional to 1,416,646.23, 2,125,595.40 and 742,566.36 is: 1,114,177.70
Step by Step Solution
- Step 1: Write the proportion equation
1,416,646.23 : 2,125,595.40 = 742,566.36 : x - Step 2: Convert to fraction form
1,416,646.23/2,125,595.40 = 742,566.36/x - Step 3: Cross multiply
1,416,646.23x = 2,125,595.40 × 742,566.36 - Step 4: Simplify right side
1,416,646.23x = 1,578,395,639,010.74 - Step 5: Solve for x
x = 1,578,395,639,010.74/1,416,646.23 - Step 6: Final answer
x = 1,114,177.70
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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.