Home / 2,065,446.15-2,849,431.54-1,289,730.28

Finding the Fourth Proportional to 2,065,446.15, 2,849,431.54 and 1,289,730.28

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Solution

The fourth proportional to 2,065,446.15, 2,849,431.54 and 1,289,730.28 is: 1,779,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,446.15 : 2,849,431.54 = 1,289,730.28 : x
  2. Step 2: Convert to fraction form
    2,065,446.15/2,849,431.54 = 1,289,730.28/x
  3. Step 3: Cross multiply
    2,065,446.15x = 2,849,431.54 × 1,289,730.28
  4. Step 4: Simplify right side
    2,065,446.15x = 3,674,998,137,925.03
  5. Step 5: Solve for x
    x = 3,674,998,137,925.03/2,065,446.15
  6. Step 6: Final answer
    x = 1,779,275.70

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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.