Home / 2,912,411.80-4,368,617.70-1,636,953.40

Finding the Fourth Proportional to 2,912,411.80, 4,368,617.70 and 1,636,953.40

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Solution

The fourth proportional to 2,912,411.80, 4,368,617.70 and 1,636,953.40 is: 2,455,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,411.80 : 4,368,617.70 = 1,636,953.40 : x
  2. Step 2: Convert to fraction form
    2,912,411.80/4,368,617.70 = 1,636,953.40/x
  3. Step 3: Cross multiply
    2,912,411.80x = 4,368,617.70 × 1,636,953.40
  4. Step 4: Simplify right side
    2,912,411.80x = 7,151,223,597,315.18
  5. Step 5: Solve for x
    x = 7,151,223,597,315.18/2,912,411.80
  6. Step 6: Final answer
    x = 2,455,430.10

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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.