Home / 5,457,647.40-8,186,859.90-1,671,124.20

Finding the Fourth Proportional to 5,457,647.40, 8,186,859.90 and 1,671,124.20

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Solution

The fourth proportional to 5,457,647.40, 8,186,859.90 and 1,671,124.20 is: 2,506,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,647.40 : 8,186,859.90 = 1,671,124.20 : x
  2. Step 2: Convert to fraction form
    5,457,647.40/8,186,859.90 = 1,671,124.20/x
  3. Step 3: Cross multiply
    5,457,647.40x = 8,186,859.90 × 1,671,124.20
  4. Step 4: Simplify right side
    5,457,647.40x = 13,681,259,700,899.58
  5. Step 5: Solve for x
    x = 13,681,259,700,899.58/5,457,647.40
  6. Step 6: Final answer
    x = 2,506,805.35

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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.