Home / 3,578,385.84-4,938,184.20-1,946,792.72

Finding the Fourth Proportional to 3,578,385.84, 4,938,184.20 and 1,946,792.72

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Solution

The fourth proportional to 3,578,385.84, 4,938,184.20 and 1,946,792.72 is: 2,686,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,385.84 : 4,938,184.20 = 1,946,792.72 : x
  2. Step 2: Convert to fraction form
    3,578,385.84/4,938,184.20 = 1,946,792.72/x
  3. Step 3: Cross multiply
    3,578,385.84x = 4,938,184.20 × 1,946,792.72
  4. Step 4: Simplify right side
    3,578,385.84x = 9,613,621,050,579.02
  5. Step 5: Solve for x
    x = 9,613,621,050,579.02/3,578,385.84
  6. Step 6: Final answer
    x = 2,686,580.34

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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.