Finding the Fourth Proportional to 2,038,210.92, 2,813,356.95 and 1,313,055.99
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Solution
The fourth proportional to 2,038,210.92, 2,813,356.95 and 1,313,055.99 is: 1,812,420.47
Step by Step Solution
- Step 1: Write the proportion equation
2,038,210.92 : 2,813,356.95 = 1,313,055.99 : x - Step 2: Convert to fraction form
2,038,210.92/2,813,356.95 = 1,313,055.99/x - Step 3: Cross multiply
2,038,210.92x = 2,813,356.95 × 1,313,055.99 - Step 4: Simplify right side
2,038,210.92x = 3,694,095,195,205.63 - Step 5: Solve for x
x = 3,694,095,195,205.63/2,038,210.92 - Step 6: Final answer
x = 1,812,420.47
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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.