Home / 2,013,602.40-3,020,403.60-1,117,807.20

Finding the Fourth Proportional to 2,013,602.40, 3,020,403.60 and 1,117,807.20

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Solution

The fourth proportional to 2,013,602.40, 3,020,403.60 and 1,117,807.20 is: 1,676,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,602.40 : 3,020,403.60 = 1,117,807.20 : x
  2. Step 2: Convert to fraction form
    2,013,602.40/3,020,403.60 = 1,117,807.20/x
  3. Step 3: Cross multiply
    2,013,602.40x = 3,020,403.60 × 1,117,807.20
  4. Step 4: Simplify right side
    2,013,602.40x = 3,376,228,890,985.92
  5. Step 5: Solve for x
    x = 3,376,228,890,985.92/2,013,602.40
  6. Step 6: Final answer
    x = 1,676,710.80

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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.