Finding the Fourth Proportional to 3,403,389.57, 4,696,617.36 and 1,854,665.11
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Solution
The fourth proportional to 3,403,389.57, 4,696,617.36 and 1,854,665.11 is: 2,559,405.02
Step by Step Solution
- Step 1: Write the proportion equation
3,403,389.57 : 4,696,617.36 = 1,854,665.11 : x - Step 2: Convert to fraction form
3,403,389.57/4,696,617.36 = 1,854,665.11/x - Step 3: Cross multiply
3,403,389.57x = 4,696,617.36 × 1,854,665.11 - Step 4: Simplify right side
3,403,389.57x = 8,710,652,352,612.31 - Step 5: Solve for x
x = 8,710,652,352,612.31/3,403,389.57 - Step 6: Final answer
x = 2,559,405.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.