Finding the Fourth Proportional to 2,038,943.04, 2,813,681.94 and 1,121,171.20
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Solution
The fourth proportional to 2,038,943.04, 2,813,681.94 and 1,121,171.20 is: 1,547,183.56
Step by Step Solution
- Step 1: Write the proportion equation
2,038,943.04 : 2,813,681.94 = 1,121,171.20 : x - Step 2: Convert to fraction form
2,038,943.04/2,813,681.94 = 1,121,171.20/x - Step 3: Cross multiply
2,038,943.04x = 2,813,681.94 × 1,121,171.20 - Step 4: Simplify right side
2,038,943.04x = 3,154,619,157,088.13 - Step 5: Solve for x
x = 3,154,619,157,088.13/2,038,943.04 - Step 6: Final answer
x = 1,547,183.56
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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.