Finding the Fourth Proportional to 1,421,948.98, 2,132,489.71 and 747,664.48
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Solution
The fourth proportional to 1,421,948.98, 2,132,489.71 and 747,664.48 is: 1,121,268.64
Step by Step Solution
- Step 1: Write the proportion equation
1,421,948.98 : 2,132,489.71 = 747,664.48 : x - Step 2: Convert to fraction form
1,421,948.98/2,132,489.71 = 747,664.48/x - Step 3: Cross multiply
1,421,948.98x = 2,132,489.71 × 747,664.48 - Step 4: Simplify right side
1,421,948.98x = 1,594,386,799,634.71 - Step 5: Solve for x
x = 1,594,386,799,634.71/1,421,948.98 - Step 6: Final answer
x = 1,121,268.64
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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.