Home / 2,442,378.30-3,370,885.52-1,355,000.19

Finding the Fourth Proportional to 2,442,378.30, 3,370,885.52 and 1,355,000.19

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Solution

The fourth proportional to 2,442,378.30, 3,370,885.52 and 1,355,000.19 is: 1,870,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442,378.30 : 3,370,885.52 = 1,355,000.19 : x
  2. Step 2: Convert to fraction form
    2,442,378.30/3,370,885.52 = 1,355,000.19/x
  3. Step 3: Cross multiply
    2,442,378.30x = 3,370,885.52 × 1,355,000.19
  4. Step 4: Simplify right side
    2,442,378.30x = 4,567,550,520,068.25
  5. Step 5: Solve for x
    x = 4,567,550,520,068.25/2,442,378.30
  6. Step 6: Final answer
    x = 1,870,124.10

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Double scale
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1.5x scale

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.