Home / 2,938,335.20-4,407,502.80-1,045,138.40

Finding the Fourth Proportional to 2,938,335.20, 4,407,502.80 and 1,045,138.40

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Solution

The fourth proportional to 2,938,335.20, 4,407,502.80 and 1,045,138.40 is: 1,567,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,335.20 : 4,407,502.80 = 1,045,138.40 : x
  2. Step 2: Convert to fraction form
    2,938,335.20/4,407,502.80 = 1,045,138.40/x
  3. Step 3: Cross multiply
    2,938,335.20x = 4,407,502.80 × 1,045,138.40
  4. Step 4: Simplify right side
    2,938,335.20x = 4,606,450,424,387.52
  5. Step 5: Solve for x
    x = 4,606,450,424,387.52/2,938,335.20
  6. Step 6: Final answer
    x = 1,567,707.60

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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.