Home / 2,769,938.40-4,152,574.80-1,440,242.40

Finding the Fourth Proportional to 2,769,938.40, 4,152,574.80 and 1,440,242.40

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Solution

The fourth proportional to 2,769,938.40, 4,152,574.80 and 1,440,242.40 is: 2,159,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,938.40 : 4,152,574.80 = 1,440,242.40 : x
  2. Step 2: Convert to fraction form
    2,769,938.40/4,152,574.80 = 1,440,242.40/x
  3. Step 3: Cross multiply
    2,769,938.40x = 4,152,574.80 × 1,440,242.40
  4. Step 4: Simplify right side
    2,769,938.40x = 5,980,714,296,131.52
  5. Step 5: Solve for x
    x = 5,980,714,296,131.52/2,769,938.40
  6. Step 6: Final answer
    x = 2,159,150.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.