Finding the Fourth Proportional to 1,549,248.06, 2,138,368.32 and 870,403.26
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Solution
The fourth proportional to 1,549,248.06, 2,138,368.32 and 870,403.26 is: 1,201,384.60
Step by Step Solution
- Step 1: Write the proportion equation
1,549,248.06 : 2,138,368.32 = 870,403.26 : x - Step 2: Convert to fraction form
1,549,248.06/2,138,368.32 = 870,403.26/x - Step 3: Cross multiply
1,549,248.06x = 2,138,368.32 × 870,403.26 - Step 4: Simplify right side
1,549,248.06x = 1,861,242,756,808.72 - Step 5: Solve for x
x = 1,861,242,756,808.72/1,549,248.06 - Step 6: Final answer
x = 1,201,384.60
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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.