Finding the Fourth Proportional to 1,572,117.18, 2,169,251.39 and 883,693.53
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Solution
The fourth proportional to 1,572,117.18, 2,169,251.39 and 883,693.53 is: 1,219,345.12
Step by Step Solution
- Step 1: Write the proportion equation
1,572,117.18 : 2,169,251.39 = 883,693.53 : x - Step 2: Convert to fraction form
1,572,117.18/2,169,251.39 = 883,693.53/x - Step 3: Cross multiply
1,572,117.18x = 2,169,251.39 × 883,693.53 - Step 4: Simplify right side
1,572,117.18x = 1,916,953,413,868.04 - Step 5: Solve for x
x = 1,916,953,413,868.04/1,572,117.18 - Step 6: Final answer
x = 1,219,345.12
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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.