Finding the Fourth Proportional to 1,679,455.12, 2,518,922.94 and 614,248.06
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Solution
The fourth proportional to 1,679,455.12, 2,518,922.94 and 614,248.06 is: 921,277.09
Step by Step Solution
- Step 1: Write the proportion equation
1,679,455.12 : 2,518,922.94 = 614,248.06 : x - Step 2: Convert to fraction form
1,679,455.12/2,518,922.94 = 614,248.06/x - Step 3: Cross multiply
1,679,455.12x = 2,518,922.94 × 614,248.06 - Step 4: Simplify right side
1,679,455.12x = 1,547,243,529,184.50 - Step 5: Solve for x
x = 1,547,243,529,184.50/1,679,455.12 - Step 6: Final answer
x = 921,277.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.