Finding the Fourth Proportional to 1,421,665.02, 2,132,607.68 and 475,039.08
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Solution
The fourth proportional to 1,421,665.02, 2,132,607.68 and 475,039.08 is: 712,595.43
Step by Step Solution
- Step 1: Write the proportion equation
1,421,665.02 : 2,132,607.68 = 475,039.08 : x - Step 2: Convert to fraction form
1,421,665.02/2,132,607.68 = 475,039.08/x - Step 3: Cross multiply
1,421,665.02x = 2,132,607.68 × 475,039.08 - Step 4: Simplify right side
1,421,665.02x = 1,013,071,990,308.13 - Step 5: Solve for x
x = 1,013,071,990,308.13/1,421,665.02 - Step 6: Final answer
x = 712,595.43
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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.