Home / 3,430,139.04-4,733,250.48-1,980,302.40

Finding the Fourth Proportional to 3,430,139.04, 4,733,250.48 and 1,980,302.40

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Solution

The fourth proportional to 3,430,139.04, 4,733,250.48 and 1,980,302.40 is: 2,732,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,139.04 : 4,733,250.48 = 1,980,302.40 : x
  2. Step 2: Convert to fraction form
    3,430,139.04/4,733,250.48 = 1,980,302.40/x
  3. Step 3: Cross multiply
    3,430,139.04x = 4,733,250.48 × 1,980,302.40
  4. Step 4: Simplify right side
    3,430,139.04x = 9,373,267,285,345.15
  5. Step 5: Solve for x
    x = 9,373,267,285,345.15/3,430,139.04
  6. Step 6: Final answer
    x = 2,732,620.22

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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.