Home / 5,120,492.40-7,681,807.80-1,708,642.80

Finding the Fourth Proportional to 5,120,492.40, 7,681,807.80 and 1,708,642.80

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Solution

The fourth proportional to 5,120,492.40, 7,681,807.80 and 1,708,642.80 is: 2,563,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,492.40 : 7,681,807.80 = 1,708,642.80 : x
  2. Step 2: Convert to fraction form
    5,120,492.40/7,681,807.80 = 1,708,642.80/x
  3. Step 3: Cross multiply
    5,120,492.40x = 7,681,807.80 × 1,708,642.80
  4. Step 4: Simplify right side
    5,120,492.40x = 13,125,465,588,453.84
  5. Step 5: Solve for x
    x = 13,125,465,588,453.84/5,120,492.40
  6. Step 6: Final answer
    x = 2,563,320.98

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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.