Home / 5,429,051.74-8,143,572.98-1,385,539.24

Finding the Fourth Proportional to 5,429,051.74, 8,143,572.98 and 1,385,539.24

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Solution

The fourth proportional to 5,429,051.74, 8,143,572.98 and 1,385,539.24 is: 2,078,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,051.74 : 8,143,572.98 = 1,385,539.24 : x
  2. Step 2: Convert to fraction form
    5,429,051.74/8,143,572.98 = 1,385,539.24/x
  3. Step 3: Cross multiply
    5,429,051.74x = 8,143,572.98 × 1,385,539.24
  4. Step 4: Simplify right side
    5,429,051.74x = 11,283,239,869,948.17
  5. Step 5: Solve for x
    x = 11,283,239,869,948.17/5,429,051.74
  6. Step 6: Final answer
    x = 2,078,307.67

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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.