Finding the Fourth Proportional to 1,616,545.14, 2,424,875 and 402,128.10
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Solution
The fourth proportional to 1,616,545.14, 2,424,875 and 402,128.10 is: 603,206.40
Step by Step Solution
- Step 1: Write the proportion equation
1,616,545.14 : 2,424,875 = 402,128.10 : x - Step 2: Convert to fraction form
1,616,545.14/2,424,875 = 402,128.10/x - Step 3: Cross multiply
1,616,545.14x = 2,424,875 × 402,128.10 - Step 4: Simplify right side
1,616,545.14x = 975,110,376,487.50 - Step 5: Solve for x
x = 975,110,376,487.50/1,616,545.14 - Step 6: Final answer
x = 603,206.40
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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.