Finding the Fourth Proportional to 3,219,497.80, 4,827,497.10 and 1,326,430.60
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Solution
The fourth proportional to 3,219,497.80, 4,827,497.10 and 1,326,430.60 is: 1,988,925.07
Step by Step Solution
- Step 1: Write the proportion equation
3,219,497.80 : 4,827,497.10 = 1,326,430.60 : x - Step 2: Convert to fraction form
3,219,497.80/4,827,497.10 = 1,326,430.60/x - Step 3: Cross multiply
3,219,497.80x = 4,827,497.10 × 1,326,430.60 - Step 4: Simplify right side
3,219,497.80x = 6,403,339,874,851.26 - Step 5: Solve for x
x = 6,403,339,874,851.26/3,219,497.80 - Step 6: Final answer
x = 1,988,925.07
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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.