Home / 3,120,595.20-4,306,478.40-1,762,214.40

Finding the Fourth Proportional to 3,120,595.20, 4,306,478.40 and 1,762,214.40

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Solution

The fourth proportional to 3,120,595.20, 4,306,478.40 and 1,762,214.40 is: 2,431,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,595.20 : 4,306,478.40 = 1,762,214.40 : x
  2. Step 2: Convert to fraction form
    3,120,595.20/4,306,478.40 = 1,762,214.40/x
  3. Step 3: Cross multiply
    3,120,595.20x = 4,306,478.40 × 1,762,214.40
  4. Step 4: Simplify right side
    3,120,595.20x = 7,588,938,249,768.96
  5. Step 5: Solve for x
    x = 7,588,938,249,768.96/3,120,595.20
  6. Step 6: Final answer
    x = 2,431,888.07

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1.5x scale

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.