Finding the Fourth Proportional to 1,655,038.08, 2,284,971.51 and 1,312,258.64
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Solution
The fourth proportional to 1,655,038.08, 2,284,971.51 and 1,312,258.64 is: 1,811,724.84
Step by Step Solution
- Step 1: Write the proportion equation
1,655,038.08 : 2,284,971.51 = 1,312,258.64 : x - Step 2: Convert to fraction form
1,655,038.08/2,284,971.51 = 1,312,258.64/x - Step 3: Cross multiply
1,655,038.08x = 2,284,971.51 × 1,312,258.64 - Step 4: Simplify right side
1,655,038.08x = 2,998,473,594,726.49 - Step 5: Solve for x
x = 2,998,473,594,726.49/1,655,038.08 - Step 6: Final answer
x = 1,811,724.84
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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.