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Finding the Fourth Proportional to 1,848,695.40, 2,773,043.10 and 1,537,655.40

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Solution

The fourth proportional to 1,848,695.40, 2,773,043.10 and 1,537,655.40 is: 2,306,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,695.40 : 2,773,043.10 = 1,537,655.40 : x
  2. Step 2: Convert to fraction form
    1,848,695.40/2,773,043.10 = 1,537,655.40/x
  3. Step 3: Cross multiply
    1,848,695.40x = 2,773,043.10 × 1,537,655.40
  4. Step 4: Simplify right side
    1,848,695.40x = 4,263,984,697,147.74
  5. Step 5: Solve for x
    x = 4,263,984,697,147.74/1,848,695.40
  6. Step 6: Final answer
    x = 2,306,483.10

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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.