Home / 5,219,312.16-7,827,089.28-1,806,671.52

Finding the Fourth Proportional to 5,219,312.16, 7,827,089.28 and 1,806,671.52

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Solution

The fourth proportional to 5,219,312.16, 7,827,089.28 and 1,806,671.52 is: 2,709,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,312.16 : 7,827,089.28 = 1,806,671.52 : x
  2. Step 2: Convert to fraction form
    5,219,312.16/7,827,089.28 = 1,806,671.52/x
  3. Step 3: Cross multiply
    5,219,312.16x = 7,827,089.28 × 1,806,671.52
  4. Step 4: Simplify right side
    5,219,312.16x = 14,140,979,286,673.31
  5. Step 5: Solve for x
    x = 14,140,979,286,673.31/5,219,312.16
  6. Step 6: Final answer
    x = 2,709,356.88

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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.