Home / 2,572,631.40-3,549,998.70-1,426,708.20

Finding the Fourth Proportional to 2,572,631.40, 3,549,998.70 and 1,426,708.20

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Solution

The fourth proportional to 2,572,631.40, 3,549,998.70 and 1,426,708.20 is: 1,968,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,631.40 : 3,549,998.70 = 1,426,708.20 : x
  2. Step 2: Convert to fraction form
    2,572,631.40/3,549,998.70 = 1,426,708.20/x
  3. Step 3: Cross multiply
    2,572,631.40x = 3,549,998.70 × 1,426,708.20
  4. Step 4: Simplify right side
    2,572,631.40x = 5,064,812,255,279.34
  5. Step 5: Solve for x
    x = 5,064,812,255,279.34/2,572,631.40
  6. Step 6: Final answer
    x = 1,968,728.30

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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.