Home / 1,709,872.80-2,564,809.20-1,637,066.40

Finding the Fourth Proportional to 1,709,872.80, 2,564,809.20 and 1,637,066.40

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Solution

The fourth proportional to 1,709,872.80, 2,564,809.20 and 1,637,066.40 is: 2,455,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,872.80 : 2,564,809.20 = 1,637,066.40 : x
  2. Step 2: Convert to fraction form
    1,709,872.80/2,564,809.20 = 1,637,066.40/x
  3. Step 3: Cross multiply
    1,709,872.80x = 2,564,809.20 × 1,637,066.40
  4. Step 4: Simplify right side
    1,709,872.80x = 4,198,762,963,730.88
  5. Step 5: Solve for x
    x = 4,198,762,963,730.88/1,709,872.80
  6. Step 6: Final answer
    x = 2,455,599.60

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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.