Home / 1,533,421.83-2,116,136.43-845,118.39

Finding the Fourth Proportional to 1,533,421.83, 2,116,136.43 and 845,118.39

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Solution

The fourth proportional to 1,533,421.83, 2,116,136.43 and 845,118.39 is: 1,166,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,421.83 : 2,116,136.43 = 845,118.39 : x
  2. Step 2: Convert to fraction form
    1,533,421.83/2,116,136.43 = 845,118.39/x
  3. Step 3: Cross multiply
    1,533,421.83x = 2,116,136.43 × 845,118.39
  4. Step 4: Simplify right side
    1,533,421.83x = 1,788,385,812,741.95
  5. Step 5: Solve for x
    x = 1,788,385,812,741.95/1,533,421.83
  6. Step 6: Final answer
    x = 1,166,271.26

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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.